Mitsubishi Electric PURY error codes
Codes
- 4240Error codeOverload protection: If the output current of "(Iac) >Imax (Arms)" or "THHS > TOL" is continuously detected for 10 minutes or more during inverter operation. Refer to the relevant pages for the details of model names and the specified values. [7-1-1 Inverter Protection Level Table](page 184)
- 4245Error codeOverload protection (YXU): In the case of 4240 If the output current of "(Iac) >Imax (Arms)" or "THHS > TOL" is continuously detected for 10 minutes during inverter operation. In the case of 4245 and 4246 If the output current of "(Iac) >Imax (Arms)" is continuously detected for 10 minutes during inverter operation. For details of the model names and specified values, refer to the following page(s). The note of [7-1 Error Code and Preliminary Error Code Lists]. | Overload protection (TXU): In the case of 4240 If the output current of "(Iac) >Imax (Arms)" or "THHS > TOL" is continuously detected for 10 minutes during inverter operation. In the case of 4245 and 4246 If the output current of "(Iac) >Imax (Arms)" is continuously detected for 10 minutes during inverter operation. For details of the model names and specified values, refer to the following page(s). The note of [7-1 Error Code and Preliminary Error Code Lists].
- 4246Error codeOverload protection (YXU): In the case of 4240 If the output current of "(Iac) >Imax (Arms)" or "THHS > TOL" is continuously detected for 10 minutes during inverter operation. In the case of 4245 and 4246 If the output current of "(Iac) >Imax (Arms)" is continuously detected for 10 minutes during inverter operation. For details of the model names and specified values, refer to the following page(s). The note of [7-1 Error Code and Preliminary Error Code Lists]. | Overload protection (TXU): In the case of 4240 If the output current of "(Iac) >Imax (Arms)" or "THHS > TOL" is continuously detected for 10 minutes during inverter operation. In the case of 4245 and 4246 If the output current of "(Iac) >Imax (Arms)" is continuously detected for 10 minutes during inverter operation. For details of the model names and specified values, refer to the following page(s). The note of [7-1 Error Code and Preliminary Error Code Lists].
- 4250Error codeDCCT overcurrent (H/W detection) (Detail code 103) Instantaneous overcurrent (Detail code 106) Overcurrent (effective value) (Detail code 107): Overcurrent 106 Apeak or 64 Arms and above is detected by the current sensor. | Instantaneous overcurrent (Detail code 106) Overcurrent (effective value) (Detail code 107): Overcurrent 56 Apeak or 33 Arms and above is detected by the current sensor.
- 4255Error codeIPM error (Detail code 101): In the case of 4250 If an overcurrent is detected by the overcurrent detection circuit on the INV board. In the case of 4255 and 4256 If an error signal is detected from IPM on the fan board. | Overcurrent error due to short-circuited motor (Detail code 105): If a short is detected in the compressor or fan motor just before starting the inverter operation. | Instantaneous overcurrent (Detail code 106): If the current sensor detects an overcurrent other than the specified value. * For details of the model names and specified values, refer to the following page(s). The note of [7-1 Error Code and Preliminary Error Code Lists] | Motor synchronization loss (Detail code 137): If fan motor locking is detected during operation.
- 4256Error codeIPM error (Detail code 101): In the case of 4250 If an overcurrent is detected by the overcurrent detection circuit on the INV board. In the case of 4255 and 4256 If an error signal is detected from IPM on the fan board. | Overcurrent error due to short-circuited motor (Detail code 105): If a short is detected in the compressor or fan motor just before starting the inverter operation. | Instantaneous overcurrent (Detail code 106): If the current sensor detects an overcurrent other than the specified value. * For details of the model names and specified values, refer to the following page(s). The note of [7-1 Error Code and Preliminary Error Code Lists] | Motor synchronization loss (Detail code 137): If fan motor locking is detected during operation.
- 4260Error codeHeatsink overheat protection at startup: When heatsink temperature (THHS) remains at or above TOH for 10 minutes or longer after inverter startup models TOH INV20Y 100°C INV30YC 94°C
- 4265Error codeabnormality Refer to section -8-"Inverter: When the heat sink temperature (THHS1) 95°C [203°F] or more is detected for 10 or more minutes at inverter startup In the case of 4265 When the heat sink temperature (THHS5) 85°C [185°F] or more is detected for 10 or more minutes at inverter startup " under part [4] "Trouble shooting | abnormality Refer to section -8- "Inverter: In the case of 4260 When the heat sink temperature (THHS1) 95°C [203°F] or more is detected for 10 or more minutes at inverter startup In the case of 4265 When the heat sink temperature (THHS5) 85°C [185°F] or more is detected for 10 or more minutes at inverter startup " under part [4] "Trouble shooting
- 5101Error codeReturn air temperature sensor (TH21) fault (Indoor unit) Return air temperature sensor (TH4) fault (OA processing unit): If a short or an open is detected during thermostat ON, the outdoor unit turns to anti-restart mode for 3 minutes. When the error is not restored after 3 minutes (if restored, the outdoor unit runs normally), the outdoor unit makes an error stop. ∗During heating operation ∗During cooling operation for 3 minutes after the compressor t
- 5102Error codePipe temperature sensor (TH22) fault (Indoor unit) Pipe temperature sensor (TH2) fault (OA processing unit): If a short or an open is detected during thermostat ON, the outdoor unit turns to anti-restart mode for 3 minutes. When the error is not restored after 3 minutes (if restored, the outdoor unit runs normally), the outdoor unit makes an error stop. ∗During heating operation ∗During cooling operation for 3 minutes after the compressor t
- 5103Error codeGas-side pipe temperature sensor (TH23) fault (Indoor unit) Gas-side pipe temperature sensor (TH3) fault (OA processing unit): If a short or an open is detected during thermostat ON, the outdoor unit turns to anti-restart mode for 3 minutes. When the error is not restored after 3 minutes (if restored, the outdoor unit runs normally), the outdoor unit makes an error stop. During heating operation During cooling operation for 3 minutes after the compressor tur | Heat exchanger outlet temperature sensor (TH3) fault (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor.
- 5104Error codeIntake air temperature sensor (TH1) fault (OA processing unit) Intake air temperature sensor (TH24) fault (All-fresh (100% outdoor air) type indoor unit): If a short or an open is detected during thermostat ON, the outdoor unit turns to anti-restart mode for 3 minutes. When the error is not restored after 3 minutes (if restored, the outdoor unit runs normally), the outdoor unit makes an error stop. During heating operation During cooling operation for 3 minutes after the compressor tur | Discharge temperature sensor (TH4) fault (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor.
- 5105Error codeAccumulator inlet temperature sensor (TH5) fault (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor. When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within
- 5106Error codeHeat exchanger inlet temperature sensor (TH6) fault (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor. When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within
- 5107Error codeOutside temperature sensor (TH7) fault (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor. When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within
- 5108Error codeSC coil bypass outlet (TH8): 2.When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within the normal range. 3.When a short or an open is detected again (the third detection) after the previous restart of the outdoor unit, the outdoor unit makes an error stop. 4.When a short or an open of the thermistor is detected just before the restart of the
- 5110Error codeHeatsink temperature sensor (THHS) fault (Detail code 01): When a short or an open of THHS is detected just before or during the inverter operation.
- 5111Error codeLiquid inlet (TH11) Bypass outlet controlled) (TH12) HEX inlet liquid level detecting (BC (TH13) abnormality HEX outlet liquid level detecting (TH14) sensor Bypass inlet Thermal (TH15) Intermediate section (TH16): 1. When short (high temp. inlet) or open (low temperature inlet) of thermistor is detected during operation, error stop will be commenced displaying “5111” or “5112”, “5113” or “5114”, or “5115” or “5116. 2. The above detectection is not made during defrostig and 3minute after changing operation mode.
- 5112Error codeBypass outlet temperature sensor (TH12) fault (BC controller): If a shorted (high temperature intake) or open (low temperature intake) thermistor (TH11, TH12, TH14, TH15, or TH16) is detected during operation, and an error code "5111," "5112," "5114," "5115," or "5116" will appear. The unit will continue its operation by using other sensors as a backup. Detection of a shortor open-circuit as described above is suspended during the defrost cycle and for 3 minutes after the operation mode is changed.
- 5113Error codeHeat exchanger of liquid level detection outlet (Type B1 only): TH13, TH14, TH15, TH16) is detected (the
- 5114Error codeLEV4 outlet temperature sensor (TH14) fault (BC controller): If a shorted (high temperature intake) or open (low temperature intake) thermistor (TH11, TH12, TH14, TH15, or TH16) is detected during operation, and an error code "5111," "5112," "5114," "5115," or "5116" will appear. The unit will continue its operation by using other sensors as a backup. Detection of a shortor open-circuit as described above is suspended during the defrost cycle and for 3 minutes after the operation mode is changed.
- 5115Error codeCompressor shell bottom temperature sensor (TH15) fault (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor. The unit will continue its operation by using other sensors as a backup. Detection of a shortor open-circuit as described above is suspended during the defrost cycle and for 3 minutes after the operation mode is changed.
- 5116Error codeAccumulator temperature (Bottom) sensor (TH16) failure (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor. When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within | LEV3(a) inlet temperature sensor (TH16) fault (BC controller): If a shorted (high temperature intake) or open (low temperature intake) thermistor (TH11, TH12, TH15, or TH16) is detected during operation, the unit makes an error stop, and an error code "5111," "5112," "5115," or "5116" appears on the display. Detection of a shortor open-circuit as described above is suspended during the defrost cycle and for 3 minutes after the operation mode is changed.
- 5117Error codeAccumulator temperature (Middle) sensor (TH17) failure (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor. When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within
- 5118Error codeAccumulator temperature (High) sensor (TH18) failure (Outdoor unit): When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection), the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor. When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within
- 5120Error codeDCL temperature sensor circuit fault (Detail code 01)(outdoor unit): When an open phase or a short circuit of the temperature sensor is detected immediately before inverter startup or during operation (applicable to INV37YC and INV39C)
- 5201Error codeHigh-pressure sensor fault (63HS1): If the high pressure sensor detects 0.098MPa [14psi] or less during the operation, the outdoor unit stops once, turns to antirestart mode for 3 minutes, and restarts after 3 minutes when the detected high pressure sensor is 0.098MPa [14psi] or more. If the high pressure sensor detects 0.098MPa [14psi] or less just before the restart, the outdoor unit makes an error stop, and the error code "5201" will appear. During 3-minute antirestart mode, preliminary errors will be displayed on the LED di | High-pressure sensor fault (BC controller PS1)
- 5203Error codeIntermediate pressure sensor fault (BC controller PS3): When a pressure sensor reading of 4.06 MPa [589 psi] or above OR 0.098Mpa[142psi] or below is detected, error codes "5201" OR "5203" will appear. Using The unit will continue its operation by using other sensors as a backup.
- 5301Error codeACCT sensor fault (Detail code 115): When the formula "output current < 2 Arms" remains satisfied for 10 seconds while the inverter is in operation. | ACCT sensor fault (Detail code 115): When the formula "output current < 1.5 Arms" remains satisfied for 10 seconds while the inverter is in operation. | (P168 model only) Troubleshooting DCCT sensor fault (Detail code116): When the bus current less than 18 Apeak is detected at startup (6Hz) | ACCT sensor circuit fault (Detail code 117): When an error value is detected with the ACCT detection circuit just before the inverter starts | (P168 model only) DCCT sensor circuit fault (Detail code118): When an error value is detected with the DCCT detection circuit just before the inverter starts | Open-circuited IPM/Loose ACCT connector (Detail code 119): Presence of enough current cannot be detected during the self-diagnostic operation immediately before inverter startup. | Faulty ACCT wiring (Detail code 120): Presence of target current cannot be detected during the self-diagnostic operation immediately before startup. (Detection of improperly mounted ACCT sensor) | Faulty ACCT wiring (Detail code 120): Presence of target current cannot be detected during the self-diagnostic operation immediately before startup.
- 5305Error codeabnormality (Error details No.115) DCCT sensor abnormality (Error details No.118) ✻ Other than P200 model ACCT sensor/circuit abnormality (Error details No.117) ✻ For the check code on: effective value 1.5Arms was detected during inverter operation. An abnormal value is detected in the DCCT detection circuit just before the INV started. An abnormal value was detected with the ACCT detection circuit just before the INV started. the inverter, refer to “ 7. Inverter and | sensor/circuit abnormality (Error details No.116) ✻ Other than P200 model IPMopen/ACCT connection abnormality (Error details No.119) ACCT misswiring abnormality (Error details No.120) ✻ For the check code on ACCT-U ←Compressor-input phase U 2. Communication/system Checking Meaning, code: detected with the DCCT detection circuit just before the INV started. (2) (3) (4) IPM open damage or CNCT2 (1) dislocation was detected just before INV started. (Sufficient current was not detected during self-diagnosis just before (2) starting.) (3) (4) (5) Improper installation of the (1) ACCT sensor was detected. “ the inverter, refer to 7. Inverter and compressor →IPM-output phase U U Red wire errors detecting method
- 5306Error codePosition detection error at startup (Detail code 132): When a motor sensor has detected an error within 10 seconds after the fan motor has gone into operation. | Position detection error during operation (Detail code 133): An error from a motor sensor is detected during fan moter operation. | RPM error before start up (Detail code 134): The fan RPM will not drop to the set RPM.
- 5401Error codeTemperature sensor fault: A short-circuit or an open-circuit of the humidity sensor is detected during operation.
- 5402Error codeOutside humidity sensor fault: Humidity sensor fault or built-in temperature sensor fault
- 5403Error codeAging degradation of outside humidity sensor: The life of the humidity sensor has expired, and humidity cannot be detected correctly.
- 5558Error codeRefrigerant sensor error/sensor kit error: If the indoor unit refrigerant sensor or sensor kit has an error.
- 5701Error code7 1. Error code definition Loose float switch connector: Detection of the disconnected float switch (open-phase condition) during operation
- 6201Error codeRemote controller board fault (nonvolatile memory error): This error is detected when the data cannot be read out from the built-in nonvolatile memory on the remote controller.
- 6202Error codeRemote controller board fault (clock IC error): This error is detected when the built-in clock on the remote controller is not properly functioning.
- 6500Error codeIndoor unit cleaning operation error: This error is detected when the indoor units are operated in the mode different from the one determined by the outdoor unit during refrigerant oil recovery operation.
- 6600Error codeMultiple address error Transmission from units with the same address is detected. Note: The address/attribute shown on remote controller indicates the controller which has detected error.
- 6601Error codePolarity setting error: The error detected when transmission processor cannot distinguish the polarities of the M-NET transmission line.
- 6602Error codeTransmission ware error Although mitted by cessor, transmission The address/attribute peared the dicates where curred.: processor hard- (1) When mission data "0" was surely transed. the transmission pro- (2) Grounding "1" is displayed on the (3) When line. the ed ap- (4) When on the display on nected remote controller infemale the controller (5) Controller an error oc- (6) When line (7) Voltage of grouped system Check Investigation transmission | Transmission processor hardware error Although "0" was surely transmitted by the transmission cessor, "1" is displayed on transmission line Note: The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred.
- 6603Error codeTransmission circuit bus-busy 1.Generated error when the command cannot be transmitted for 4-10 minutes in a row due to bus-busy 2.Generated error when the command cannot be transmitted to the transmission line for 4-10 minutes in a row due to noise Note: The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred.
- 6606Error codeCommunication error with the transmission processor Communication error between the main microcomputer on the indoor unit board and the microcomputer for transmission Note: The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred. Error | Communication error with the transmission processor Communication error between the main microcomputer on the indoor unit board and the microcomputer for transmission Note: The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred.
- 6607Error codeNo Error Error source address Outdoor M-NET unit (OC) mote troller MA controller (MA) Indoor M-NET unit mote (IC) troller MA controller (MA) LOSSNAY M-NET (LC) mote troller MA controller (MA) M-NET reM-NET mote conmote troller(RC) troller MA controller (MA): ACK abnormality The error transmission. int
- 6608Error codeNo response When no response command is returned although acknowledgement (ACK) is received after transmission, an error is detected. When the data is transmitted 10 times in a row with 3 seconds interval, an error is detected on the transmission side. Note:The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred. | No response When no response command is returned although acknowledgement (ACK) is received after transmission, an error is detected.When the data is transmitted 10 times in a row with 3 seconds interval, an error is detected on the transmission side. Note: The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred.
- 6810Error codeUR communication error (UR: unit remote controller) The communication between the unit remote controller and the indoor unit does not work properly. (1) The address and the attribute for the remote controller are not displayed. [Detect by the unit remote controller] 1) An error is detected when the remote controller send "H", the unit remote controller detects "L" reception for the third time in the low. 2) An error is detected when the indoor unit sends no response for the demand of the "Monito
- 6815Error codeSupervisor remote controller communication error: If an error is detected in communication with the MA remote controller set as the supervisor remote controller.
- 6831Error codeMA remote controller signal reception error (No signal reception): Communication between the MA remote controller and the indoor unit is not done properly. No proper data has been received for 3 minutes.
- 6832Error codeMA remote controller signal transmission error (Synchronization error): MA remote controller and the indoor unit is not done properly. Failure to detect opening in the transmission path and unable to send signals ∗Indoor unit: 3 minutes ∗Remote controller: 6 seconds