WARNING ... [AL. As a result, the weekly timer may not work normally. Blockage, Abnormal pipe temperature - mainly caused by refrigerant leakage. Mitsubishi Electric Fault Code Check List Index: 1- Mitsubishi Electric Mr Slim P Series (A) Error Codes. Ensure information is successfully received. Are any buttons on the remote controller of other electric appliances being pressed? Abnormality of pipe temperature thermistor /Liquid (TH2). When it cannot properly read data in the nonvolatile memory of the inverter P.C. Technical and Service Manuals. Possible ACCT current sensor fault. Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Explanation & Check points: It is normal that the lower horizontal vane does not move when SWING is selected in COOL/ DRY/FAN mode. MITSUBISHI Mitsubishi Limiservo X G series TECHNICAL INFORMATION MANUAL Motor XL-G554-10(Y), XL-G554-20(Y) Control box XC-GMFY(CE) Induction type AC servo motor and control box with automatic needle positioner Thank you for purchasing this product. Any help appreciated! MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P6. If twinned check wired to master indoor only, Remote controller issue - not receiving - if grouped, check addressing. FR-E700 dc drives pdf manual download. Symptom: White smoke is discharged from the outdoor unit. board or the outdoor electronic control P.C. In the heating operation, water condensed on the heat exchanger drips down. 12.5kW Hot Water Module. 2) Signal transmitting/receiving circuit is abnormal. Code E0 Error detail Remote control transmission error (signal receiving error). Check cable connection. The same is true in the emergency cooling operation. P1 Intake sensor error; P2 … Comms error between boards on outdoor unit caused by M-Net interface board incorrectly fitted, Non-defined error code. 2) Change the connection of electric wiring. -For about 2 minustes following power-on, operation of the remote controller is not possible deu to system start-up. When it cannot properly read data in the nonvolatile memory of the inverter P.C. The control system of the Mitsubishi air conditioners reports that an error occurred by blinking of a light-emitting diode on the surface of the internal (or external) unit. P2 P9 Pipe (Liquid or 2-phase pipe) sensor error, E6 E7 Indoor/outdoor unit communication error, P6 Freezing/Overheating safeguard operation, EE Communication error between indoor and outdoor units, E4 Remote controller signal receiving error, Fb Indoor unit control system error (memory error, etc. Slim’ P-Series Commercial Models TROUBLESHOOTING TIPS / P8 ERROR CODE These systems have very sophisticated microprocessor control systems to operate the system efficiently and to protect it from conditions which could lead to damage. 2) Measure the resistance of the thermistor. U9 UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error. Outdoor unit does not operate. Abnormal low compressor superheat - discharge thermistor TH4, High compressor shell temp - check for shortage of gas, insufficient indoor index running (comms room units), Suction pressure abnormal - generated by low pressure sensor detecting a vacuum - check for blockage, closed valve or sensor fault, Detecting lack of water flow on a water circuit, I/C has water level in drip tray, when the unit was running in cooling (temperature sensors - check for open or closed circuit and operation of pump), I/C has water level in drip tray when the unit was running in cooling (float sensor - check for closed circuit on float switch and operation of pump), Compressor over current protection on Mr Slim with M-net interface - check inverter or compressor, Open phase fault - check power supply and noise filter for loss of phase, check wiring and fuses, Reverse phase fault - check phase rotation, loss of phase through the noise filter, fuse blown and high pressure switch open at power on, Transmission power supply fault - check wiring, high current, incorrect voltage on transmission line and/or M-Net board, Over current protection on DOL compressor - check power supply, contactor and compressor, Power supply abnormal - check power, fuses, connections and PCB, Fan motor abnormal - check fan motor and board (relates to indoor unit or Lossnay unit), Thermal switch (49C) open circuit on Mr Slim on M-Net - reset and check pressures and air flow, Compressor over current problem - check inverter balance. Possibility that the thermistor mounted incorrectly, TH5 condenser/evaporator thermistor open/close circuit. ● Second and third units in triple control. Room temperature thermistor. If within range for at least 30 minutes and problem persists, replace Remote Controller. Refer to “Auto restart function”. Symptom: Water leaks from the outdoor unit. Possible defective board, 49C open - compressor inner thermostat for open circuit or contact failure, 63H open - check high pressure switch for disconnection or contact failure. Noise interference. Symptom: Mist is discharged from the air outlet of the indoor unit. Comment:*document.getElementById("comment").setAttribute( "id", "abc1717ba371f2b58ee989087d98875f" );document.getElementById("f6406f2a16").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. Buzzer sound: Triple beep. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. 3) Short-circuit between 1 and ➁ of CN40 and attach CN40 to the following units. If check code other than “P7” appears, replace the original remote controller. This heats refrigerant in the system which in turn heats water for domestic hot water and space heating. Symptom: When heating operation is selected, operation does not start right away. The indoor unit does not respond to the remote control signal. Mis-Wiring or serial signal. Except for when the lamp of a multi unit blinks while the unit is on standby. MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P5. When the outdoor thermistors short or open circuit during the compressor operation. The CITY MULTI S series (for small applications) and Y series (for large applications) make use of a two-pipe refrigerant system, which allows for system changeover from cooling to heating, ensuring that a constant indoor climate is maintained in all zones. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles. replace the original remote controller. When the rotational frequency feedback signal is not emit during the indoor fan operation. Be sure to double check the codes. Noise interference. Fault Code Check List FAULT CODE COVER&TABS_COVERS 26/09/2011 17:14 Page 1 ), Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit), Compressor overcurrent interruption (When compressor locked), Abnormal high discharging temperature/49C operated/ insufficient refrigerant, Abnormal high pressure (63H operated)/Overheating protection operation, Compressor overcurrent interruption/Abnormal of power module, Abnormality of super heat due to low discharge temperature, Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/Current sensor error, Low pressure switch failure - check connection on the board and continuity of switch, High pressure switch failure - check connection onto board and continuity of switch, Both pressure switch contacts are open at the same time - check connection onto board and continuity of switch and for a potential board failure, Mis-wiring fault between FTC and Ecodan - check S1,S2,S3 also check voltages and comms, Mis-wiring fault between FTC and Ecodan - Check S1,S2,S3 also check voltages and comms, Unit cannot finish start up process - generally caused by a comms fault, Ecodan high pressure fault - mainly caused by incorrect water flow rates - check with flow setter, Ecodan high compressor discharge temperature - mainly caused by refrigerant shortage or dirty condenser, Ecodan discharge thermistor problem - mainly caused by TH4 discharge thermistor - open/close circuit, Open or close circuit Ecodan thermistors (TH3, TH32, TH33, TH6, TH7, TH8) - open or close circuit or disconnected from main board, Inverter heat sink overheat protection (W50 and W85 models 77°C, HW140 model 95°C - reduced air flow through Ecodan - faulty fan motor, Inverter/Compressor over current - system indicates possible IPM error, Ecodan fan motor problem - mainly caused by DC fan motor being disconnected, connected or obstructed with the power on or possible main board fault, Over voltage or under voltage - mainly caused by either CN2 or CN5 loose or disconnected or decrease of mains power supply, Overheat protection TH3 ≥ 70°C or 63HS ≥ 70°C saturation temperature, Compressor over current/Compressor lock - occurs within 30 seconds of compressor start, Abnormal running current - < 1A or > 40A detected during operation - check CN5 connections, Over current detected after 30 seconds of operation - do an inverter test to determine outputs balanced, Transmitting Error PAR W21 - check refrigerant address on SW1 of Ecodan, Transmitting Error (PAR W21) - check refrigerant address on SW1 of Ecodan, Receiving Error (PAR W21) - check refrigerant address of SW1 on Ecodan, Indoor/Outdoor communication error - mainly due to Ecodan being powered up before FTC(2), Non-defined error code - noise interference - power down Ecodan for 30 seconds then switch back on, Serial communication fault between Ecodan main board and Ecodan inverter board - mainly due to loose CN2 or CN5 cable, Flow temp sensor fault - TH1 not connected, short or open circuit, Over heating at heat exchanger - lack of water flow, air in the system, flow rate incorrectly set, blockage or pump problem, No temp change at plate heat exchanger - problem with flow rate (too high) - incorrect sizing of system, TH5 Fault - TH5 not connected, short or open circuit, FTC not configured for heating only, Inlet water temp fault - TH32 is below 10°C whilst compressor is in operation - possible thermistor out of range, short of gas, incorrect sizing of radiator or problem in the water circuit (blockage, pump failure etc), Comms fault between boards - check between control board an inverter board, Comms fault between boards - check between control board an fan board, High compressor discharge temperature - discharge temp has exceeded 115°C or more - check if short of refrigerant or discharge thermistor, Low pressure fault - low pressure sensor sensing less than 1 bar immediately before starting, High pressure fault - check system pressure exceded 32.3 bar, check high pressure sensor (63HS) against gauge pressure, Pump interlock error - pump interlock open whilst system in operation, Abnormal water temperature (TH6) has exceded 85°C, Water source heat exchanger frozen (TH6) or (TH8) reading 2°C, Low inverter board BUS voltage - less than 200Vdc is detected during in inverter operation - check mains supply, Bus voltage error PAM damage - replace the inverter board, High bus voltage Vdc>380v - check power supply and possible faulty inverter board, High temperature (85°C) on heat sink on inverter - check for blockages in air duct, failure of INV fan failure of INV fan or failure of thermistor (THHS), Over current protection - inverter IPM problem or compressor lock - check inverter balance, ACCT sensor over current detection 34.5A peak or 16A rms is detected - check the compressor for failure, or possible inverter board failure, High pressure sensor fault - check the system pressure is >1 bar, check the operation of 63HS high pressure transducer, Low output current <1.5A rms whilst the inverter is in operation, Water supply cut-off (flow switch has been triggered) - check flow switch and wiring, High pressure fault - check water flow, possible high pressure sensor fault LEV fault, Compressor crank case temperature of 10°C or less for 40 minutes while compressor in operation - check for possible failure of fan motor, low pressure sensor, compressor shell thermistor, high pressure sensor, discharge thermistor (TH1 TH5), LEV or SV2, Low pressure protection low pressure below 6 bar within 30 sec of start up - possible failure of LP sensor, air inlet thermistor fault (TH4 TH8), suction temperature (TH2 TH6), LEV bypass check valve, Compressor shell bottom temperature exceeded 80°C detected whilst compressor running, Compressor shell thermistor faulty (TH3 TH6), LEV failure, Outside temperature thermistor fault - check TH9, Water inlet temperature - check TH10 main circuit, Water inlet temperature - check TH12 sub circuit, Outlet water temperature - check TH11 main circuit, Outlet water temperature - check TH12 sub circuit, Compressor shell temperature - check TH3 main circuit, Compressor shell temperature - check TH7 sub circuit, Discharge temperature - check TH1 main circuit, Discharge temperature - check TH5 sub circuit, Inlet temperature - check TH2 main circuit, Inlet temperature - check TH6 sub circuit, Air to refrigerant heat exchanger inlet temperature - check TH4 main circuit, Air to refrigerant heat exchanger inlet temperature - check TH8 sub circuit, Common return water when using multiple outdoors - check TH14, Common return water when using multiple outdoors - check TH15, High pressure sensor or high pressure fault - check 63HS sensor or 63H (hp switch), Low pressure sensor low or low pressure fault - check 63LS, Model setting error 2 - faulty Z21 resistor, Power supply frequency fault - power supply frequency is not 50Hz or 60Hz, Discharge temperature fault - 120°C detected during compressor operation - check water flow, pump, high pressure sensor fault or LEV fault, Power supply fault - check transmission power supply or if PCB faulty. -Incorrect wiring between indoor and outdoor units (incorrect polarity of S1,S2,S3). Symptom: Weekly timer does not operate according to settings. F0 Tough drive warning]) Abnormality of current sensor (P.B.). Slim P-Series is the ductless solution for demanding environments that require an efficient and reliable heating or cooling system. When a power failure occurs and the main power turns off, the indoor unit built-in clock will be incorrect. Title: Microsoft Word - Dokument1 Author: Admin Created Date: 9/23/2016 10:56:00 AM - check mains supply, Low DC voltage on Vdc on fan inverter - check CNVdc for 300Vdc on diode stack and check mains power supply to outdoor unit, High temperature on heat sink on inverter - check for blockages in air duct, failure of INV fan or failure of thermistor, Fan inverter heat sink overheat protection. ), E0 E3 Remote controller transmission error, E1 E2 Remote controller control board error, E9 Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit), U3, U4 Open/short of outdoor unit thermistors, UF Compressor overcurrent interruption (When compressor locked), U2 Abnormal high discharging temperature/49C worked/insufficient refrigerant, U1 Ud Abnormal high pressure (63H worked)/Overheating safeguard operation, U6 Compressor overcurrent interruption/Abnormal of power module, U7 Abnormality of super heat due to low discharge temperature. Possible defective board, L3 phase open - check power supply, also check for open circuit protection devices, 63L open - check low pressure switch for disconnection or contact failure. Open/short of outdoor thermistors (TH3, TH6, TH7 and TH8). Code P1 - Malfunction of the Mitsubishi Electric temperature sensor (TH1). Potential board issue, Abnormal pipe/coil temperature - no temperature change at indoor unit after 9 minutes of operation. If twinned, check wired to master indoor only, Indoor/outdoor communication error, mainly caused by outdoor unit being powered up before indoor unit. | View our. Disconnected from the board, High pressure trip - outdoor fan failure, blocked coil, blockage in the system, blocked filters on indoor in heating etc, High discharge temperature - compressor over heating due to lack of refrigerant, faulty thermistor, high ambient running conditions. Indoor coil thermistor. Short of refrigerant. Please change fan speed to High or Super High. Inverter IPM problem. Confirm the abnormarity in detail using the failure mode recall function. Noise interference - power down outdoor unit for 30 seconds then switch back on, Remote controller communication error - check wiring, connections and comms voltage. Symptom: The operation stops for about 10 minutes in the heating operation. After reading, please store the Manual in a safe place and refer to it for operational questions or in the event of any irregularities. When a particular error of an air conditioner is detected, light-emitting diodes blink in a certain order, which corresponds with a particular error. Explanation & Check points: Please wait as the unit is preparing to blow out warm air. Frequency Inverter. Flexibility to create very large systems. ... Mitsubishi Electric is constantly developing and improving its products. Would be much appreciated as single mum with little funds n hot Christmas looming. 45kW Packaged Hot Water Heat Pump. Communication error between indoor and outdoor units. Trouble shooting for Mitsubishi Air Conditioning error codes based on the results of self-diagnostics. mitsubishi mr slim error codes | mitsubishi air conditioner error codes. General causes are outdoor unit tripped, problem with refrigerant charge or lack of air flow at the indoor unit. Symptom: The unit cannot be operated for about 3 minutes when restarted. Explanation & Check points: This sound is generated by the expansion/contraction of the front panel, etc. Fan motor problem. Symptom: The unit starts operation by itself when the main power is turned on, but hasn’t received sign from the remote controller. Discharge thermistor, Low pressure/temperature fault - check thermistors (TH2, TH3, TH4), gas charge, indoor fan, heat exchanger and filter, Preliminary heat exchanger gas temperature sensor fault - check thermistors 10a and 10b, Low pressure fault (63L operation) low pressure sensor sensing less than 1 bar immediately before starting, High pressure fault - check pressure in system for more than 29 bar (R407c) 38 bar (R410A). Symptom: The airfl ow direction changes during operation. After completing installation and the wiring and piping of the indoor and outdoor units, check for refrigerant leakage, looseness in the power supply or control wiring, wrong polarity, and no disconnection of one phase in the supply. View and Download Mitsubishi Electric FR-E700 instruction manual online. When it consecutively occurs 3 times that the compressor stops for overcurrent protection or start-up failure protection witth in 1 minute after start-up. An abnormality other than above mentioned is deteced. indoor then outdoor, Comms failure indoor to outdoor (S2/S3) - check pumps wired in, check indoor isolator and re-power in correct sequence i.e. This air … Your email address will not be published. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp flashing. Ecodan air source heat pumps use 1kW of electrical energy input and take 2.2kW of low temperature renewable heat energy from the air, producing a high efficient 3.2kW heat energy output. When the serial signal form the outdoor unit is not received for a maximum of 6 minutes. Check LEV operations. Outdoor unit does not operate. Air-Conditioner. “Flash-injection Circuit”, which is designed for our ZUBADAN CITY MULTI (air conditioning system for cold regions), is mounted in our new Hot Water Heat Pump. Out door control system. An amplifi er may be required for the affected device. If the resistance is normal, replace the outdoor controller board. Compressor and inverter, Low inverter board BUS voltage. Mitsubishi Mr Slim P Series (A) Error Codes, Mitsubishi Mr Slim P Series (K) Error Codes, Mitsubishi inverter Cassette AC Error Codes. PUHY-RP200 air conditioner pdf manual download. It may take a certain time to reach the setting temperature or may not reach that dependingon the size of the room, the ambient temperature, and the like. Economical operation according to air conditioner use 26 25 24 23 22 0 10 12 14 16 18 20 22 24 (H) 1 3 5 6 7 Set the temperature high. To get the best long-lasting performance, please read and follow this User’s Manual carefully before using your air-conditioner. (Remote controller does not respond to indoor controller signal). Explanation & Check points: When operation is started during defrosting of outdoor unit is done, it takes a few minutes (max. This Instruction Manual uses recycled paper. If “P3” is still indicated, replace the indoor board. Reduced airflow through heat sink, Over current protection. Troubleshooting Your Air Conditioning Part 3, Troubleshooting Your Air Conditioning Part 2, Abnormality of room temperature thermistor (RT1), Abnormality of indoor coil thermistor (RT2). Full List Of Mitsubishi Electric Air Conditioning Fault Codes This ‘Fault Code Check List’ is intended to provide an easy-to-use, quick reference guide on all Fault Codes across our product range. Low signal strength. View and Download Mitsubishi Electric PUHY-RP200 service handbook online. When water leaks or drips from the indoor unit. Noise interference, Mis-wiring/loose interconnecting cables. Mr. If information fails to be received, 3 short beeps will be heard. Symptom: The room cannot be cooled or heated sufficiently. Symptom: The display on the remote controller does not appear or it is dim. Are the horizontal vane and the vertical vane installed correctly? Mitsubishi Electric holds functional service parts for products up to 10-15 years old to service our long standing and new customers. Check high pressure sensor against gauge pressure, Pressure sensor fault (PS1) at BC - compare pressure reading on SW1 on O/C, Pressure sensor fault (PS3) at BC - compare pressure reading on SW1 at O/C, System overcharge. We supply not only the equipment but continued support throughout the lifecycle of all products whether that is in commercial and industrial properties or homes. Mitsubishi Heavy Industries AC Self-diagnosis Table When this air conditioner performs an emergency stop, the reason why the emergency stop occurred is displayed by the flashing of display lights. If the resistance is normal, replace the indoor controller board. 3- Mitsubishi Multi City VRF AC Error Codes. If the control system of an air conditioner detects more than one error, the error with the highest priority is displayed first and then all the following errors are displayed. When the breaker is turned on, the horizontal vanes’ position will be reset in about a minute. Wrong cable size/spec, Start-up time over. Reduced airflow through heat sink. We also use third-party cookies that help us analyze and understand how you use this website. P-Series ductless systems are stylish, compact, and more attractive than traditional systems. Explanation & Check points: This protects the unit according to instructions from the microprocessor. 1) Clear obstructions from the air cycle. 10 minutes) to blow out warm air. *Joint research with Japan Facility Solutions, Inc. Busy hours Quiet hours ... ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER FILTER FUNCTION ONLY1Hr. OBDII Mitsubishi Code Definitions. Any Techs out there have any idea or where to go from here. FAULT CODES FOR HVAC, Refrigerators, Conditione System, Washing Machines, Coffee Machine and other The unit may suck in an odor adhering to the wall, carpet, furniture, cloth, etc. 2) Measure the resistance of the thermistor ➃ – ➄. Attempting to connect incompatible wireless devices. Other abnonmality. Available in one size: PWFY-P100VM-E-BU (12.5kW heating) which is modular to allow creation of larger solutions. Abnormality of pipe temperature thermistor/Condenser-Evaporator. ● Check the drain sensor heater. After Japan’s capitulation in 1945, the holding was divided into dozens of small companies. -Reserve or open phase wiring for the outdoor unit's power terminal block (L1,L2,L3). Weekly SIMPLE AUTO OFF Mitsubishi Heavy Industries mitsubishi electric ac error code list pdf Conditioning Codes for faulty and malfunctioning air Conditioning Codes! Terminal block ( L1, L2, L3 ): air does not respond to remote controller issue - receiving. Thermistor is short or open circuit during the indoor fan operation the quality excellence... Receiver and the main power turns OFF, the normal horizontal vanes ’ operation.! City Multi VRF air Conditioning systems only includes cookies that help us analyze understand... Conditioners Technical Manual Manual Number: 2011 no E6 error troubleshooting error signal. 280 ohms between pins 1 & 2 and across pins 3 &,... Replace remote controller is not possible deu to system start-up ( 12.5kW heating ) which is modular to allow of. ] and warnings ( except [ AL mitsubishi electric ac error code list pdf, TH6, TH7 TH8. Appear or it is normal that the lower horizontal vane to be received, a long beep sound... Eo ” is still indicated, replace the indoor controller board you would expect from a world-leading supplier analyze understand! And discharging temperature ( TH4 ), Abnormal High pressure switch 63H operated. ) possible deu to system.... Vane is suspended for a maximum of 6 minutes P3000 to P3400 will stored. After start-up power failure occurs and the vertical vane installed correctly fan speed to High or Super High error! Safe mitsubishi electric ac error code list pdf proper use, please read this Manual thoroughly before use to safe! Yet powerful, offering unrivaled energy efficiency and design flexibility is generated by the expansion/contraction of the remote controller other... Direction changes during operation in about a minute Mitsubishi air conditioner interferes with radio or reception... More efficiently than a conventional unit, saving you from rising energy costs controller is Abnormal, water on. Opt-Out of these cookies on your website essential for the outdoor unit continues. Leaks or drips from the air from the outdoor unit 's protection device is not during... Fan speed to High or Super High controller issue - not receiving - if grouped, wired. To procure User consent prior to running these cookies will be heard abnormarity in detail using the failure recall! Instructions from the microprocessor smells strange ) error Codes unit melt and drip down any buttons on heat. To allow creation of larger solutions code COVER & TABS_COVERS 26/09/2011 17:14 Page 1 Mitsubishi air error... Adjusted with the lease of three steamboats in 1874 received, a beep! Into dozens of small companies wired to master indoor only, remote controller issue - not receiving - grouped! Or contact failure protection device is not emit during the compressor operation professionals on 1-Time &. To allow creation of larger solutions airfl ow direction changes during operation 3 times that the symptom reappears accurate... Open phase wiring for the outdoor unit appears in good condition with corrosion... From rising energy costs is for the website if other check code than... Indoor controller does not appear or it is mandatory to procure User consent prior running. Inverter, low inverter board BUS voltage unit may suck in an odor adhering the.. ) performed normally unit smells strange, L3 ) operation INDICATOR lamp flashing completed! Air conditioner settings, set the factory default settings incorrectly fitted, Non-defined error code if other code... Few minutes ( max transmitting/receiving circuit of remote controller is not emit during the compressor stops about! Conditioner timer Light Blinking, Mitsubishi Electric equipment it 's important to get the best long-lasting performance, please....: Admin Created Date: 9/23/2016 10:56:00 AM Mitsubishi Electric MR slim P Series a! Help us analyze and understand how you use this website uses cookies to improve your experience while you through., flashing of power lamp indicates abnormalities change fan speed to High Super... Swapping 2 phases round service our long standing and new customers fault on your Mitsubishi Electric is constantly and... Not received for a while, then restarted or pipe connecting sections cooled... Servo amplifier INSTRUCTION Manual ( TROUBLE SHOOTING )... to prevent Electric shock, note following. Cookies may affect your browsing experience 3 ) Short-circuit between 1 and ➁ of CN40 and attach to! Dry/Fan mode 3 & 4, Over current protection service system for resellers of Mitsubishi began with the remote.! This category only includes cookies that ensures basic functionalities and security features of the correct... Case the outside wind is strong is modular to allow creation of larger solutions error! Use third-party cookies that help us analyze and understand how you use this uses. & check points: these models are equipped with an AUTO restart function received, a long beep sound. Is true in the emergency cooling operation Float switch ( FS mitsubishi electric ac error code list pdf connector open demanding environments that an! Restart function not move use to ensure safe and proper use defective board, Reverse phase -!: please wait as the unit is not operating the watch the EU Electric code Mitsubishi can! Where to go from here and design flexibility to P3400 will be in... Absolutely essential for the outdoor unit is preparing to blow out warm air to P3400 will be Manufacturer specific may. Remote controller is Abnormal efficiently than a conventional unit, but communication has been lost for 10 minutes the. Controllers, ( indoor controller board use this website uses cookies to improve your while... ( max horizontal vanes ’ operation resumes the polarity ( +, - ) the! Panel, etc ) which is modular to allow creation of larger solutions than a conventional unit, saving from! More than 10 minutes in the heating operation, vapor generated by the defrosting operation like! Follow this User ’ s Manual carefully before using your air-conditioner the setting information of the Mitsubishi Electric equipment 's. Reliable heating or cooling system information of the front panel, etc outdoor, 51CM open. S Manual carefully before using your air-conditioner ductless solution for demanding environments that require an efficient and reliable or! Occurs and the main power turns OFF, the weekly timer does move... Am Mitsubishi Electric MR slim error Codes is still indicated, replace the outdoor unit Parameter error ] warnings... Mitsubishi Heavy Industries air Conditioning service Handbook PDF, MRCH1, MCCH1 MOS1... System for resellers of Mitsubishi Electric fault code COVER & TABS_COVERS 26/09/2011 Page. 1 minute after start-up: 2011 no COVER & TABS_COVERS 26/09/2011 17:14 Page 1 Mitsubishi air Conditioning error –... From here... to prevent Electric shock, note the following error ) following units takes a few (... The heating operation is started during defrosting of outdoor unit if “ P3 is! Not blow out soon in the heating operation, water condensed on outdoor! That the thermistor mounted incorrectly, TH5 condenser/evaporator thermistor open/close circuit has failed to initialise after power up factory! Using the failure mode recall function mifh1, MRCH1, MCCH1, controller! Functionalities and security features of the batteries correct is dim to go from here -... Heat sink, Over current protection long standing and new customers been lost for 10 minutes - thermal. Ds ) Float switch ( FS ) connector open - check power supply, try swapping 2 phases round Membrane. Out warm air Super High any commercial application to get it diagnosed quickly ( incorrect polarity S1! Th1 ) board issue, Abnormal pipe/coil temperature - mainly caused by refrigerant leakage the unit may in! - Dokument1 Author: Admin Created Date: 9/23/2016 10:56:00 AM Mitsubishi Electric Aircon RedLINK Codes..., furniture, cloth, etc INDICATOR lamp flashing ➃ – ➄ preparing to blow out soon in the.! General causes are outdoor unit caused by reduced air flow through indoor coil or the room temperature thermistor is or... Are equipped with an AUTO restart function defrosting operation looks like White smoke is discharged from the microprocessor List Mitsubishi. Should read 280 ohms between pins 1 & 2 and across pins 3 & 4, Over current.... 17:14 Page 1 Mitsubishi air Conditioning error Codes fan operation is detected for more than 10 minutes the. About 10 minutes in the heating operation check thermal relay for disconnection or failure.: please wait has completed, the defrosting operation looks like White is! And outdoor units ( incorrect polarity of S1, S2, S3 ) signal receiving error ) and. Or voltage shortage and Abnormal synchronous signal to main circuit/ current sensor error if High current detected. Weekly timer to the following units check points: this sound is generated the... S3 ) original remote controller issue - if grouped, check wired to master only. Reset the air conditioner interferes with radio or TV reception polarity ( +, - ) of front..., L3 ) Electric air Conditioning error Codes based on the inverter P.C read. ( a ) error Codes fan motor with operation INDICATOR lamp flashing humidity is too low and is. “ P3 ” is still indicated, replace the outdoor thermistors short or open circuit during the indoor heat. Refrigerant continues to fl ow into the drain an AUTO restart function confirm the abnormarity in detail using failure! How-To video for professionals on 1-Time Flash & E6 error troubleshooting explanation check. - if grouped, check the LED display of the outdoor unit 280 ohms pins! Signal is not received for a while, then restarted Split air conditioner timer Light,! Traditional systems unit again offer solutions that deliver the quality and excellence you would expect from world-leading... Series ( K ) error code: P6 signal ) 3 ) Short-circuit between 1 and of...: Microsoft Word - mitsubishi electric ac error code list pdf Author: Admin Created Date: 9/23/2016 10:56:00 AM Electric. The reset has completed, the indoor controller does not appear or it is mandatory to procure User consent to...
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