37MUHA Fault Codes PC 08, PC 42, PC 44, PC 46, PC 49 – Compressor Current and Speed Protection
The outdoor unit has detected abnormal compressor current, starting, or speed.
37MUHA Fault Codes
37MUHA Fault Code EC 72 – Outdoor DC Fan Motor Phase Loss
The outdoor DC fan motor has abnormal three-phase sampling current.
37MUHA Fault Code EC 72 – Outdoor DC Fan Motor Phase Loss Read More »
37MUHA Fault Code EC 55 – ODU IPM Module Temperature Sensor Malfunction
The IPM module temperature sensor sampling voltage is abnormal.
37MUHA Fault Code EC 55 – ODU IPM Module Temperature Sensor Malfunction Read More »
37MUHA Fault Code EL 0C – System Lacks Refrigerant
Operating parameters indicate insufficient refrigerant.
37MUHA Fault Code EL 0C – System Lacks Refrigerant Read More »
37MUHA Fault Code EH 0E – Water-Level Alarm Malfunction
The water-level alarm circuit returns an abnormal signal.
37MUHA Fault Code EH 0E – Water-Level Alarm Malfunction Read More »
37MUHA Fault Code PC 00 – ODU IPM Module Protection
The compressor drive receives an abnormal IPM signal.
37MUHA Fault Code PC 00 – ODU IPM Module Protection Read More »
37MUHA Fault Codes PC 10, PC 11, PC 12 – ODU Voltage Protection
The outdoor unit detects an abnormal AC input or DC bus voltage.
37MUHA Fault Codes PC 10, PC 11, PC 12 – ODU Voltage Protection Read More »
37MUHA Fault Code PH 91 – Low Evaporator Temperature Protection
Evaporator coil temperature is below the cooling or drying protection threshold.
37MUHA Fault Code PH 91 – Low Evaporator Temperature Protection Read More »
37MUHA Fault Codes FH CC, EH C3 – Refrigerant Sensor Error or Out of Range
The indoor unit receives a refrigerant sensor fault or loses sensor feedback.
37MUHA Fault Codes FH CC, EH C3 – Refrigerant Sensor Error or Out of Range Read More »