Are any buttons on the remote controller of other electric appliances being pressed? Some MITSUBISHI Forklift Truck Brochures PDF are above the page. Reduced airflow through heat sink. Can also be caused by 49C (comp inner thermostat or external Klixon ) tripping, Inverter heat sink temperature too high (TH8) - check for lack of air flow around heat sink, no silicone paste, faulty thermistor (temperature can be read from service tool (or PAR21 on power inverter model)), Compressor over current - carry out inverter output test and electrical checks to the compressor, Low discharge superheat - check TH4 reading is correct. 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. Any Techs out there have any idea or where to go from here. Symptom: Air does not blow out soon in the heating operation. Please read this manual thoroughly before use to ensure safe and proper use. 2) Check with another remote controller. Mr Slim Model PUH-3YKA 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. 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. Explanation & Check points: Outdoor unit is in defrost. Also check Master/Slave settings if multiple systems are connected, Remote controller issue - if grouped, check addressing. Communication error between indoor and outdoor units. 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. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp flashing. This air … Discharge temperature has exceeded 110°C or more. F0 Tough drive warning]) Can be installed in conjunction with City Multi VRF air conditioning. Necessary cookies are absolutely essential for the website to function properly. No unit. Check LEV operations. Symptom: The unit cannot be operated for about 3 minutes when restarted. 2) Check with another remote controller. When a power failure occurs and the main power turns off, the indoor unit built-in clock will be incorrect. -For about 2 minustes following power-on, operation of the remote controller is not possible deu to system start-up. 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.) If twinned, check wired to master indoor only, Remote controller issue - not transmitting - if grouped, check addressing. Fan motor problem. Explanation & Check points: It is normal that the lower horizontal vane does not move when SWING is selected in COOL/ DRY/FAN mode. Ensure information is successfully received. 2) Change the connection of electric wiring. Symptom: Water leaks from the outdoor unit. Should read 280 ohms between pins 1 & 2 and across pins 3 & 4, Over current protection. Compressor overcurrent breaking. When the indoor coil or the room temperature thermistor is short or open circuit. The following is a list of Mitsubishi Air Conditioning error codes. and blow it out with the air. Wrong cable size/spec, Start-up time over. Noise interference. Indoor unit and outdoor unit do not operate. THHS thermistor problem, Over current protection. Need help? Protection from overheat operation(TH3). Symptom: The room cannot be cooled or heated sufficiently. Fault Code Check List FAULT CODE COVER&TABS_COVERS 26/09/2011 17:14 Page 1 View and Download Mitsubishi Electric PUHY-RP200 service handbook online. Slim ductless system will run more efficiently than a conventional unit, saving you from rising energy costs. We also offer services and support at every step of the way whether it be pre-sales design and specification, installation and maintenance support, right through to recycling. The unit may suck in an odor adhering to the wall, carpet, furniture, cloth, etc. Also for: Fr-e720s, Fr-e740. Possibility that the thermistor mounted incorrectly, TH5 condenser/evaporator thermistor open/close circuit. Would be much appreciated as single mum with little funds n hot Christmas looming. 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. Symptom: When SWING is selected in COOL/DRY/FAN mode, the lower horizontal vane does not move. Explanation & Check points: These models are equipped with an auto restart function. board or the outdoor lectronic control P.C. The history of Mitsubishi began with the lease of three steamboats in 1874. 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 Electric is a world-leading supplier of energy efficient equipment that will cool, heat, ventilate and control buildings. Symptom: The indoor unit which is not operating becomes warm and a sound, similar to water fl owing, is heard from the unit. This sound is also heard when the outside air blows into the drain hose in case the outside wind is strong. Noise interference. 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. -Reserve or open phase wiring for the outdoor unit's power terminal block (L1,L2,L3). Explanation & Check points: This sound is heard when the outside air is absorbed from the drain hose by turning on the range hood or the ventilation fan, making water fl owing in the drain hose to spout out. The indoor unit does not respond to the remote control signal. 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. Please change fan speed to High or Super High. WARNING ... [AL. Mitsubishi Air Conditioning Service Handbook PDF. But opting out of some of these cookies may affect your browsing experience. Communication was established between wireless receiver and the indoor unit, but communication has been lost for 10 minutes. board. 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. ME Engineer will provide Installers and Service Engineers of Mitsubishi Electric Air Conditioning, Heating, Ventilation and Controls products easy access to the most up to date and detailed service information direct from in-house technical experts at Mitsubishi Electric. 10 minutes) to blow out warm air. MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P6. When the unit is operated in COOL or DRY mode, if the operation continues with air blowing down for 0.5 to 1 hour, the direction of the airfl ow is automatically set to horizontal position to prevent water from condensing and dripping. Outdoor unit appears in good condition with no corrosion. Fan motor problem. U9  UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error. This website uses cookies to improve your experience while you navigate through the website. Out door power system. If “P3” is still indicated, replace the indoor board. Self check table. Indoor unit and outdoor unit do not operate. (Remote controller does not respond to indoor controller signal). Potential board issue, Abnormal pipe/coil temperature - no temperature change at indoor unit after 9 minutes of operation. If “EO” is still indicated, replace the indoor controller board. Air-Conditioner. When the breaker is turned on, the horizontal vanes’ position will be reset in about a minute. Mitsubishi Electric Automation of Vernon Hills, IL offers a comprehensive line of factory automation solutions. 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. We also use third-party cookies that help us analyze and understand how you use this website. 4) Measure the resistance of the outdoor coil thermistor. Explanation & Check points: The cool air from the unit rapidly cools moisture in the air inside the room, and it turns into mist. © 2014-2021 ACErrorCode.com. Mitsubishi Electric Air Conditioning codes for faulty and malfunctioning air conditioning systems. Refer to “Auto restart function”. Reduced airflow through heat sink, Over current protection. 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. 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. PUHY-RP200 air conditioner pdf manual download. When the indoor unit has started operation and the above detection method has detected an abnormality (the first detection after the power ON), the indoor electronic control P.C. Symptom: White smoke is discharged from the outdoor unit. 1) Clear obstructions from the air cycle. 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. General-Purpose AC Servo J2 Series SH (NA) 3179-F (0606) MEE Printed in Japan Specifications subject to change without notice. 4- Mitsubishi inverter Cassette AC Error Codes. 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. This Instruction Manual uses recycled paper. Indoor drain overflow protection. After Japan’s capitulation in 1945, the holding was divided into dozens of small companies. Can be combined to max. Operation Led: No lit. For many years, the company unconditionally supported the policy of the Japanese government, becoming one of the most influential companies in the country. PROBLEM WITH AC UNIT: Freezing/Overheating of indoor unit heat exchanger – mainly caused by reduced air flow through indoor coil. Indoor unit and outdoor unit do not operate. R22 refrigerant charge appears Ok (eg Pres temp corresponds enough to what should make run comp at least to start up) Is the fan or heat exchanger of the indoor unit clean? is used. Please wait. Make sure Connect light on wireless receiver is flashing and you are 2+ feet away from wireless receiver. In the heating operation, the defrosting operation makes ice forming on the outdoor unit melt and drip down. When the outdoor thermistors short or open circuit during the compressor operation. Symptom: Mist is discharged from the air outlet of the indoor unit. Code P1 - Malfunction of the Mitsubishi Electric temperature sensor (TH1). Slim P-Series is the ductless solution for demanding environments that require an efficient and reliable heating or cooling system. These cookies will be stored in your browser only with your consent. Abnormality of power module. 7- Mitsubishi Packaged Hot Water Heat Pump CAHV Error Codes. CODE General-Purpose AC Servo MELSERVO-JE Servo amplifier INSTRUCTION MANUAL (TROUBLE SHOOTING) ... To prevent electric shock, note the following. Out door control system. If check code other than “P7” appears, replace the original remote controller. The unit has failed to initialise after power up. Abnormality of comp. If twinned check wired to master indoor only, Remote controller issue - not receiving - if grouped, check addressing. Since this is completed in max.10 minutes, please wait. Abnormality of pipe temperature thermistor /Liquid (TH2). Possible defective board, Phase detection circuit fault - faulty outdoor board, No input detected at outdoor unit - outdoor board defective, Two or more protection devices are open - check protection devices for disconnection or contact failure, Return air thermistor fault (TH1) - check if TH1 disconnected or open or close circuit, Liquid pipe thermistor fault (TH2) check if TH2 disconnected or open or close circuit, Drain sensor fault - DS open or close circuit, High condensate level - drain pump failure or blockage in the drain, Freezing/Overheating of indoor unit heat exchanger - mainly caused by reduced air flow through indoor coil.

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