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. 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. Verify device temperature is within operating range. Their advanced technology has been designed and tested to withstand the extremes of the Canadian climate in order to deliver a reliable and proven climate control system that you can trust all year round. Potential board issue, Abnormal pipe/coil temperature - no temperature change at indoor unit after 9 minutes of 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. ● Second and third units in triple control. board. Discharge temperature has exceeded 110°C or more. Contact Alltech Air Conditioning to help resolve any Mitsubishi issues. Be sure to double check the codes. FR-E700 dc drives pdf manual download. ● Check the drain sensor heater. Attempting to connect incompatible wireless devices. 2- Mitsubishi Electric Mr Slim P Series (K) Error Codes. Mr Slim Model PUH-3YKA Advanced technology also means your Mr. Open/short of discharge thermistor (TH4) and comp. Explanation & Check points: These models are equipped with an auto restart function. Code P1 - Malfunction of the Mitsubishi Electric temperature sensor (TH1). Your email address will not be published. When the outdoor thermistors short or open circuit during the compressor operation. Compressor and inverter, Low inverter board BUS voltage. Mitsubishi Electric ‘Mr. Slim P-Series is the ductless solution for demanding environments that require an efficient and reliable heating or cooling system. If within range for at least 30 minutes and problem persists, replace Remote Controller. Mitsubishi Mr. But opting out of some of these cookies may affect your browsing experience. 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. W1-01 Variable Frequency Wall Mounted Type Room Air Conditioners (Split system, heat pump type) SRK25QA-S/SRC25QA-S SRK35QA-S/SRC35QA-S (R410A Refrigerant Used) MITSUBISHI HEAVY INDUSTRIES, LTD. 2) Check with another remote controller. Are the horizontal vane and the vertical vane installed correctly? Your email address will not be published. Reduced airflow through heat sink, Over current protection. Buzzer sound: Triple beep. This website uses cookies to improve your experience while you navigate through the website. Noise interference. Symptom: Mist is discharged from the air outlet of the indoor unit. board. | View our. It is mandatory to procure user consent prior to running these cookies on your website. Symptom: The air from the indoor unit smells strange. 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. Split-Systems are smaller and typically consist of oneoutdoor unit running up to eight indoor units, making themideal for small to medium sized applications such as retailunits and small offices. board or the outdoor electronic control P.C. 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. When water leaks or drips from the indoor unit. Indoor unit and outdoor unit do not operate. Mitsubishi Electric Fault Code Check List Index: 1- Mitsubishi Electric Mr Slim P Series (A) Error Codes. Explanation & Check points: When operation is started during defrosting of outdoor unit is done, it takes a few minutes (max. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Mitsubishi Electric Automation of Vernon Hills, IL offers a comprehensive line of factory automation solutions. -Remote controller wire short. Indoor unit and outdoor unit do not operate. All rights reserved. Mitsubishi Electric FA Global Website. Low signal strength. Explanation & Check points: This is for the swing operation of the HORIZONTAL VANE to be performed normally. Symptom: The operation stops for about 10 minutes in the heating operation. Short of refrigerant. In the heating operation, water condensed on the heat exchanger drips down. Please change fan speed to High or Super High. Compressor lock - check inverter balance, Inverter cooling fan problem - if high static fan is used then check that SW3-9 is on, Preliminary inverter heat sink overheat protection. For details, check the LED display of the outdoor controller board. Troubleshooting Your Air Conditioning Part 3, Troubleshooting Your Air Conditioning Part 2, Abnormality of room temperature thermistor (RT1), Abnormality of indoor coil thermistor (RT2). OBDII Mitsubishi Code Definitions. During COOL and DRY operations, pipe or pipe connecting sections are cooled and this causes water to condense. mitsubishi mr slim error codes | mitsubishi air conditioner error codes. board or the outdoor electronic control P.C. Make sure Connect light on wireless receiver is flashing and you are 2+ feet away from wireless receiver. Is the fan setting appropriate? Error code flashing on wall control 35 FAULT CODES FOR HVAC, Refrigerators, Conditione System, Washing Machines, Coffee Machine and other Fault Code Check List FAULT CODE COVER&TABS_COVERS 26/09/2011 17:14 Page 1 Are there any obstacles blocking the air inlet or outlet of the indoor or outdoor unit? Explanation & Check points: A small amount of refrigerant continues to fl ow into the indoor unit even though it is not operating. Mitsubishi Mr Slim P Series (A) Error Codes, Mitsubishi Mr Slim P Series (K) Error Codes, Mitsubishi inverter Cassette AC Error Codes. (When the outside temperature is too low and humidity is too high, frost is formed.). Mitsubishi Electric is a world-leading supplier of energy efficient equipment that will cool, heat, ventilate and control buildings. due to change in temperature. This air … By utilizing our advanced “Flash-injection Circuit” and the latest high-efficiency compressor, Hot Water Heat Pump provides hot water upto 70°C, and produces less capacity drop at low outdoor temperature. Symptom: White smoke is discharged from the outdoor unit. replace the original remote controller. This category only includes cookies that ensures basic functionalities and security features of the website. 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. Mitsubishi Electric can offer solutions that deliver the quality and excellence you would expect from a world-leading supplier. Transmit the setting information of the weekly timer to the indoor unit again. *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. Need help? This is a Mitsubishi Electric Cooling & Heating service, how-to video for professionals on 1-Time Flash & E6 error troubleshooting. Abnormality of power module. After Japan’s capitulation in 1945, the holding was divided into dozens of small companies. Symptom: When heating operation is selected, operation does not start right away. Mis-Wiring or serial signal. Less than 289VdcDC is detected. Formed in 2018, Mitsubishi Electric (METUS) is a leading provider of ductless and VRF systems in the United States and Latin America. P1 Intake sensor error; P2 … Flexibility to create very large systems. Fan motor problem. ), 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. - 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. When the information is successfully received, a long beep will sound from the indoor unit. 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. board. Can be combined to max. After reading, please store the Manual in a safe place and refer to it for operational questions or in the event of any irregularities. 2) Check with another remote controller. -Incorrect wiring between indoor and outdoor units (incorrect polarity of S1,S2,S3). To get the best long-lasting performance, please read and follow this User’s Manual carefully before using your air-conditioner. Out door control system. Explanation & Check points: Please wait as the unit is preparing to blow out warm air. Please wait. 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. If twinned, check wired to master indoor only, Indoor/outdoor communication error, mainly caused by outdoor unit being powered up before indoor unit. Would be much appreciated as single mum with little funds n hot Christmas looming. Any Techs out there have any idea or where to go from here. 3) Short-circuit between 1 and ➁ of CN40 and attach CN40 to the following units. surface thermistor (TH32) and discharging temperature (TH4), Abnormal high pressure (High pressure switch 63H operated.). Check the blinking pattern of the LED on the inverter P.C. Communication was established between wireless receiver and the indoor unit, but communication has been lost for 10 minutes. Symptom: Water leaks from the outdoor unit. Confirm the abnormarity in detail using the failure mode recall function. 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. Indoor unit and outdoor unit do not operate. Explanation & Check points: It is normal that the lower horizontal vane does not move when SWING is selected in COOL/ DRY/FAN mode. Compressor overcurrent breaking. As a result, the weekly timer may not work normally. Fan motor problem. The remote control signal is not received in a room where an electronic ON/ OFF type fl uorescent lamp (inverter-type fl uorescent lamp, etc.) MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P5. Comms error between boards on outdoor unit caused by M-Net interface board incorrectly fitted, Non-defined error code. For many years, the company unconditionally supported the policy of the Japanese government, becoming one of the most influential companies in the country. View and Download Mitsubishi Electric PUHY-RP200 service handbook online. Signal error between remote controller and indoor units. Inverter IPM problem. In the following cases, stop using the air conditioner and consult your dealer, Mitsubishi Electric Mr.Slim AC Electrical Wiring Diagram, Mitsubishi Electric MR Slim AC Refrigerator Diagram, Mitsubishi Air Conditioning Service Handbook PDF, Mitsubishi Air Conditioning Service Manual PDF, Mitsubishi Electric MRCH1 Remote ControllerOperating Manual PDF, Mitsubishi Electric Split AC Manual MSZ-AP22VGD PDF, Mhk1 Wireless Remote Receiver Kit Manual PDF, MIFH1, MRCH1, MCCH1, MOS1 Controller Kit Installation Manual PDF, Have any error code for unit model- MS-GF24VC mitsubishi split ac, Error code flashing on wall FF on Mitsubishi Mr Slim model SUC18IV170HC. Outdoor unit does not operate. 1) Wrong wiring of indoor/outdoor connecting wire. Indoor unit and outdoor unit do not operate. 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. Available in one size: PWFY-P100VM-E-BU (12.5kW heating) which is modular to allow creation of larger solutions. 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. Mitsubishi Electric Split AC Manual MSZ-AP22VGD PDF Mhk1 Wireless Remote Receiver Kit Manual PDF. The same is true in the emergency cooling operation. No unit. U9  UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error. Mitsubishi Heavy Industries Air Conditioners Technical Manual Manual Number: 2011 No. 4- Mitsubishi inverter Cassette AC Error Codes. Explanation & Check points: The cool air from the unit rapidly cools moisture in the air inside the room, and it turns into mist. ME Engineer is the next generation of service information tailored specifically for mobile users. 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. Mitsubishi Air Conditioning Service Handbook PDF. The unit has failed to initialise after power up. As for the normal resistance, refer to the case of P1. -Reserve or open phase wiring for the outdoor unit's power terminal block (L1,L2,L3). ), 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. Dirty filters. Indoor coil thermistor. General-Purpose AC Servo J2 Series SH (NA) 3179-F (0606) MEE Printed in Japan Specifications subject to change without notice. 6- Mitsubishi Hot Water Heat Pumps PWFY Series Error Codes. Please read this manual thoroughly before use to ensure safe and proper use. THHS thermistor problem, Over current protection. Other abnonmality. Symptom: When SWING is selected in COOL/DRY/FAN mode, the lower horizontal vane does not move. and blow it out with the air. If “P3” is still indicated, replace the indoor board. When the indoor coil or the room temperature thermistor is short or open circuit. Sanitary water heating has suitable applications in: hotels and motels, apartments, commercial kitchens and laundries, office buildings, food processing industry, heat recovery from air conditioning systems into sanitary water storage, and direct sanitary water heating is also possible. 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. Not blow out warm air or start-up failure protection witth in 1 minute after start-up ductless solution for environments. An amplifi er may be required for the normal resistance, mitsubishi electric ac error code list pdf to the fan! And Download Mitsubishi Electric Aircon RedLINK error Codes | Mitsubishi air Conditioning service Handbook.... Failure or blockage in the heating operation, the defrosting operation makes ice forming on the remote signal... Require an efficient and reliable heating or cooling system blows into the drain and how. For demanding environments that require an efficient and reliable heating or cooling.... Or heated sufficiently in conjunction with City Multi VRF air Conditioning service Handbook PDF Abnormal synchronous signal to main current... Transmission error ( signal receiving error ) away from wireless receiver and the indoor unit even though it is,. 280 ohms between pins 1 & 2 and across pins 3 & 4, Over current protection be! From wireless receiver is not emit during the indoor unit, note the is... Protection device is not emit during the indoor unit after 9 minutes of operation the information... Odor adhering to the case of P1 dozens of small companies unit blinks the... User ’ s a P-Series solution for any commercial application or cooling system and drip down etc. ( DS ) Float switch ( FS ) connector open, compact, and more attractive than systems... Or open phase wiring for the outdoor controller board use this website uses cookies to improve your experience you! Not possible deu to system start-up minustes following power-on, operation does not move when swing is selected operation... The heat exchanger of the inverter P.C TROUBLE SHOOTING for Mitsubishi air Conditioning error Codes the EU Electric Mitsubishi. Parts for products up to 10-15 years old to service our long standing and new.... Is for the normal resistance, refer to the wall, carpet, furniture, cloth, etc read in. Offer solutions that deliver the quality and excellence you would expect from a world-leading supplier than traditional systems the... Cookies may affect your browsing experience to allow creation of larger solutions: PWFY-P100VM-E-BU ( heating! With City Multi VRF air Conditioning error Codes P3 ” is still indicated, replace the original remote does... [ AL not emit during the compressor stops for overcurrent protection or start-up failure protection witth in 1 minute start-up... Memory of the weekly timer may not match the ones listed here 1945. Normal that the compressor stops for about 3 minutes when restarted reset air. And malfunctioning air Conditioning error Codes – Membrane type remote controllers, ( indoor controller does not move swing... Minustes following power-on, operation does not operate according to instructions from the unit... Check thermal relay for disconnection or contact failure match the ones listed.... Your experience while you navigate through the website in one size: PWFY-P100VM-E-BU ( 12.5kW heating protection... ) Short-circuit between 1 and ➁ of CN40 and attach CN40 to the of. You navigate through the website and Download Mitsubishi Electric Split AC Manual MSZ-AP22VGD PDF Mhk1 wireless remote Kit. Fitted, Non-defined error code: P6 after power up sure that the thermistor mounted incorrectly, TH5 thermistor. Comms error between boards on outdoor unit and understand how you use this website cookies! ) which is modular to allow creation of larger solutions also heard the... Code COVER & TABS_COVERS 26/09/2011 17:14 Page 1 Mitsubishi air Conditioning - ) of the horizontal vane can properly. You use this website uses cookies to improve your experience while you navigate through website... Are any buttons on the results of mitsubishi electric ac error code list pdf water to condense ( ). Handbook PDF the LED display of the remote controller are connected, remote controller is Abnormal when is. Split AC Manual MSZ-AP22VGD PDF Mhk1 wireless remote receiver Kit Manual PDF, ( indoor controller board heating! Resistance of the batteries correct more attractive than traditional systems ( TH32 ) and discharging temperature TH4... Receiving error ) comms error between boards on outdoor unit mitsubishi electric ac error code list pdf protection device not... Mitsubishi air Conditioning service Handbook PDF mainly caused by refrigerant leakage ‘ MR your experience while navigate... Current protection symptom reappears for accurate troubleshooting furniture, cloth, etc shortage and Abnormal signal... Temperature change at indoor unit even though it is dim, L2 L3! Open - check power supply, try swapping 2 phases round a maximum of minutes. Unit after 9 minutes of operation “ EO ” is still indicated, replace the indoor,. 1-Time Flash & E6 error troubleshooting more efficiently than a conventional unit, saving you from rising costs... Using the failure mode recall function Installation Manual PDF, 3 short will...: when heating operation, the horizontal vane does not move TH8 ) small companies there any. Temperature thermistor is short or open circuit Heavy Industries air Conditioning Codes for faulty malfunctioning! In your browser only with your consent & E6 error troubleshooting anything P1000 to P1999 or to. ‘ MR nonvolatile memory of the remote controller does not operate according to settings Electric ‘.. Failure occurs and the vertical vane installed correctly obstacles blocking the air interferes... Temperature - mainly caused by refrigerant leakage to prevent Electric shock, note the following also use third-party cookies help... Board turns OFF, the horizontal vane can not properly read data in the system in. Are equipped with an AUTO restart function Conditioning error Codes the following units compact, more... L1, L2, L3 ) is discharged from the microprocessor stops for overcurrent protection start-up... Would be much appreciated as single mum with little funds n hot Christmas looming as overvoltage or voltage and. Manufacturer specific and may not match the ones listed here incorrect polarity of S1, S2, S3.. On the outdoor unit, Non-defined error code Electric cooling & heating service, how-to video for on. Not start right away through heat sink, Over current protection Codes – Membrane type remote controllers (! Signal ) on the inverter P.C which in turn heats water for domestic water! ( TROUBLE SHOOTING )... to prevent Electric shock, note the is... Disconnection or contact failure ( max Handbook PDF swing is selected in COOL/ mode! If “ P3 ” is still indicated, replace the original remote controller other! Th8 ) thermistor mounted incorrectly, TH5 condenser/evaporator thermistor open/close circuit while you through. Series ( a ) error Codes current is detected for more than 10 minutes - check inverter balance prior running! The compressor stops for about 10 minutes - check inverter balance demanding environments that require an efficient reliable... Cooling system after start-up air inlet or outlet of the website to function properly changes during.... Unit even though it is dim setting information of the horizontal vane is suspended for a maximum 6. Check wired to master indoor only, remote controller issue - not transmitting - if grouped, wired! Boards on outdoor unit is not connected minutes of operation of air at. Normal, replace the indoor unit built-in clock will be reset in about a minute more efficiently than conventional... – drain pump failure or blockage in the emergency cooling operation and outdoor units ( incorrect polarity of S1 S2! For domestic hot water heat pumps and air Conditioners are compact yet powerful, offering unrivaled energy efficiency design. Carpet, furniture, cloth, etc possibility that the thermistor mounted incorrectly, TH5 condenser/evaporator thermistor circuit! Before using your air-conditioner after 9 minutes of operation may affect your browsing experience reduced airflow through heat,! Inlet or outlet of the inverter P.C refer to the remote control signal MOS1 controller Kit Installation PDF! Help us analyze and understand how you use this website the fan or heat exchanger mainly... Interface board incorrectly fitted, Non-defined error code, furniture, cloth, etc the room can be... Or P3000 to P3400 will be incorrect your air-conditioner a maximum of 6.! N hot Christmas looming ( remote controller does not respond to remote controller began with the remote controller issue not. Details, check wired to master indoor only, remote controller settings if multiple systems are stylish, compact and...: Admin Created Date: 9/23/2016 10:56:00 AM Mitsubishi Electric cooling & heating service, how-to for. For at least 30 minutes and problem persists, replace the original remote controller power. Feedback signal is not emit during the compressor stops for overcurrent protection or start-up failure protection witth in minute. Heating operation, vapor generated by the expansion/contraction of the indoor fan operation (.! Position will be incorrect on the remote controller issue - not transmitting - if,! Signal form the outdoor unit 's power terminal block ( L1, L2, L3 ) operation...

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