37MUHA Component Check – IPM Continuity
Applies to: IPM Check, IPM Continuity
37MUHA Component Check – IPM Continuity Read More »
37MUHA Component Check – Compressor Winding Resistance
Applies to: Compressor Check, Compressor Resistance
37MUHA Component Check – Compressor Winding Resistance Read More »
37MUHA Component Check – Temperature Sensors
Applies to: Temperature Sensor Check, T1 Sensor, T2 Sensor, T3 Sensor, T4 Sensor, T5 Sensor
37MUHA Component Check – Temperature Sensors Read More »
37MUHA Component Check – Outdoor DC Fan Motor
Applies to: Outdoor DC Fan Motor, Fan Motor Check
37MUHA Component Check – Outdoor DC Fan Motor 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 Code PH 90 – High Evaporator Temperature Protection
Evaporator coil temperature is above the heating-mode protection threshold.
37MUHA Fault Code PH 90 – High Evaporator Temperature Protection Read More »
37MUHA Fault Code EL 16 – Adapter and Outdoor Main Board Communication Error
The adapter PCB cannot detect the outdoor main control board.
37MUHA Fault Code EL 16 – Adapter and Outdoor Main Board Communication Error Read More »
37MUHA Fault Code EH 06 – Main Control and Display Board Communication Error
The indoor PCB does not receive feedback from the display board.
37MUHA Fault Code EH 06 – Main Control and Display Board Communication Error Read More »
37MUHA Fault Codes EH C1, PC 02, EH C2 – Refrigerant Leakage Detection
The refrigerant sensor or connected unit reports a refrigerant leak condition.
37MUHA Fault Codes EH C1, PC 02, EH C2 – Refrigerant Leakage Detection Read More »
37MUHA Fault Codes EH bA, EH 3A, EH 3b – Indoor Fan Communication and DC Bus Voltage
The indoor fan module communication or DC bus voltage is abnormal.
37MUHA Fault Codes EH bA, EH 3A, EH 3b – Indoor Fan Communication and DC Bus Voltage Read More »