Be sure they are CORRECT! If the error disappears after 3 minutes, the unit will operate well. Piston rings in the compressor motor or on a rotary compressor and/or seals have worn out. SG79F396H02_Cover.indd 1 2010/05/11 17:11:32 PROBLEM WITH AC UNIT: Drain sensor fault – DS open or close circuit. The temperature at the compressor’s top should not exceed 212F/100° If it does, the PCB will send the error and stop the unit’s operation. WW WL RW SP. 15: Idle speed control (ISC) motor position sensor fault. Diagnostic trouble codes list forMitsubishi Fuso Fighter 6M60 Engine; mitsubishi fuso fighter fault codes 26.1. Our Mitsubishi heavy industries inverter split unit is flashing its timer light,4 times first, then 6 times then a pause then 6 times again ,what is the fault, unit not turning on the compressor. Follow all instructions and illustrations. 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. 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. Low high side pressure and poor cooling capability can be signs of this wear. Check the thermistor ➃ – ➄ for continuity. Also See for Mitsubishi Electric MSZ-A09NA. Most commonly, the head pressure at the conditioning unit or heat pump compressor motor falls due to the following factors: The 5102 error code occurs in the following cases: If the thermostat is on and when there is an open- or short circuit, the outdoor unit will restart after 3 minutes only. ... Trouble criterion of main parts MSZ-A09NA MSZ-A12NA MSZ-A15NA MSZ-A17NA MSZ-A24NA MSY-A15NA MSY-A17NA MSY-A24NA Part name Check method and criterion Figure Room temperature Measure the resistance with a tester. The system has gotten low on refrigerant due to improper charging or a leak. This is not about smaller ACs or heat pumps, because they feature a capillary tube. Check the humidity sensor’s (CN22) output voltage across 2P and 4P. Check the refrigeration system for leaks. Code P2 - Indication of indoor unit freezing sensor. If left untreated, it will lead to serious damage and premature death of the device. Mitsubishi air conditioners are the most popular in the world ones. They are distinguished by decent quality, high reliability and low noise level. P1101 Traction Control Vacuum Solenoid Circuit Fault - Read Our Article On Automotive Circuit Testing For Help With This Mitsubishi Check Engine Light Code. require base pan heater (MSZ-GE and MSZ-FE 1:1 systems) 0 20 40 60 80 100 120-13 -4 0 5 10 17 25 30 35 40 47 Outdoor Temperature Degrees FWB MXZ-C-NAHZ % Heating Capacity Standard Heat Pump 100% 93% 76% H2i MXZ HE ING CAPACITY AT LOW TEMPERATURES* 78% 60% 78% MUZ-FH Standard Heat Pump MITSUBISHI ELECTRIC / M-SERIES / SPECIFICATIONS / 5 If it does not, the unit will stop. The 5701 error appears due to a problem with the humidity sensor or temp sensor. In case of breakage, the Mitsubishi thermostat will show you different fault codes. Any Mitsubishi air conditioner has a self-diagnosis function. Check the ventilation system for blockages. U9 UH. While the head pressure may drop, it may rise in the suction area, near the heat pump or compressor. Mitsubishi Heavy Industries Air Conditioning Error Codes – R410A Systems . endstream endobj 8 0 obj <> endobj 9 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 10 0 obj [11 0 R] endobj 11 0 obj <>/A 32 0 R/H/N/Border[0 0 0]/Type/Annot>> endobj 12 0 obj <> endobj 13 0 obj <>stream ABDULJALIL ALI May 10, 2020. msz-ge71va Our Classic GE71 heat pump is designed for quietness, energy saving and elegance. Manufacturer Specific Codes P1100 Induction Control Motor Position Sensor Fault. YES. When a particular error of an air conditioner is detected, light-emitting diodes blink in a certain order, which corresponds with a particular error. Select a Product . The metal oxide varistor is an element, which protects the system against power surges. I already checked all the wires between the two units were OK. voltage is OK also .Is there any relation ship with capacitor and the main board .THANK YOU Wall-Mounted Heating and Cooling. WK 24H. Title: Microsoft Word - Dokument1 Author: Admin Created Date: 9/23/2016 10:56:00 AM If it is, take steps to replace it. Mitsubishi Electric Advanced Inverter Technology provides high-speed cooling and heating with extra energy savings compared to non-inverter models. 24: Vehicle speed sensor (VSS) fault. 13,600. Each table refers to 4 models of Mitsubishi … In some cases, the head pressure drops due to faulty leaky compressor motor valves, which won’t let the compressor pressure reach the needed level. YES. The E9 error indicates poor communication between the indoor and outdoor units. Mitsubishi Corporation OBD I diagnostic trouble codes are shown here how to get the codes without any special tools. Improper refrigerant metering due to a TXV (TEV) fault. Troubleshooting for Mitsubishi air conditioners based on the results of self-diagnostics. Mitsubishi u3 error code The U3 code appears when there is a problem with the capacitor, unstable current or faulty varistor. 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. If you have problems with your Mitsubishi heat pump, don’t rush to call for expensive master’s help – you can fix your device for free. MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P6. What does a condenser do in an air conditioner? Refer to our Generic OBD II code list for definitions on all other Mitsubishi diagnostic trouble codes. Be sure that the connector CN22 on the circuit board is not loose or damaged. 31: Knock sensor fault. Please, read the manual very carefully and refer to it when installing the AC. 12,000. There may be leaks in the oil separator return line. If the continuity is ok, install a new indoor controller board. The indoor unit should get power from the outdoor one; Mitsubisi units require alternate current. 7 Day Remote controller Allowing you to program up to four settings for each day of the week, you can come home … U6. MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P5. Contamination of the indoor unit, insufficient air exchange, which is a consequence of the fact that the indoor unit is frozen. Therefore, a varistor failure can expose the wiring and other components to the destructive influence of power ups. In direct-current units, improper polarity will result in the indoor unit not working at all. Abnormality such as overvoltage or voltage … The system may continue to cool at a lower capacity with the coil temperature dropping by around ten degrees. VA series (OB447) MXZ-8A140VA1 (OC316) INDOOR UNIT No. If not, it is better to address a qualified technician anyway. Formed in 2018, Mitsubishi Electric (METUS) is a leading provider of ductless and VRF systems in the United States and Latin America. The modern air conditioners from Mitsubishi have a very developed self-diagnostics system, and when the control system detects an error, it blocks the operation of the entire device and displays a cause of faulty condition. Check polarity before running the unit. Mitsubishi Electric MSZ-A09NA Service Manual 48 pages. When turned on and during operation, the microprocessor through many sensors checks the errors of the Mitsubishi Heavy air conditioner in order to stop its operation in time if the parameters are violated. 25: Barometric (BARO) pressure sensor fault. The main PCB signals an overheat and prevents compressor damage by sending out the P2 error code and stopping the system’s work. Mitsubishi Electric is a world-leading supplier of energy efficient equipment that will cool, heat, ventilate and control buildings. PROBLEM WITH AC UNIT: High condensate level – drain pump failure or blockage in the drain. Around the world and in the Americas, we offer a suite of services including repair, sales, technical support, cloud-based backup, in-house and on-site training, service agreements and … Its high capacity makes it the perfect heat pump if you are looking to heat a large room or if you live in a frosty area and need a bit more power. October 20, 2015 Reply Abnormality of super heat due to low discharge temperature. 32: MAP sensor faulty. Try resetting the AC: turn off the unit, disconnect it from the mains, wait for about 10 to 15 minutes, reconnect and turn it back on. You could use the tables below to understand the cause of the problem. 21. Use the Mitsubishi heat pump troubleshooting guides below. Check code Diagnosis of malfunction Cause Check points EO Signal transmitting/receiving error (Indoor controller does not respond to remote controller 21: Coolant temp sensor fault. ¾×„¦�„ßS …şE8. Here is a brief troubleshooting guide on the P2 error code: If you look it up in your manual, you will find that the main control board has detected an overheat in the compressor and the system is trying to protect it from total failure. Make overload protector sensor is not faulty. 36 If none of these issues are detected, call a technician and have control boards checked and replaced, if necessary. ²ƒ‹h ßä&Ş/:395õü‡ĞmyYZ”-B f1µ†ÃÀÀ# cdÀØœvBd� �ˆ¾ 12.5. Not sure what code that is as it is not on the list. Also, improper metering may result from installation of a too short or too large cap tube. The cause of frostbite is a lack of gas. The codes are listed seperately based upon 4 cylider, six cylinder, Eclipse with or without turbo. The problem needs to be solved ASAP because low head pressure leads to poor lubrication in the motor and, consequently, premature wear of motor parts and compressor damage. 9-2. 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