37MUHA Fault Code PC 0A – High Condenser Temperature Protection
Condenser temperature has exceeded the protection limit.
37MUHA Fault Code PC 0A – High Condenser Temperature Protection Read More »
37MUHA Fault Codes
37MUHA Fault Code PC 0F – PFC Module Protection
The outdoor PCB detects an abnormal PFC signal or low DC voltage.
37MUHA Fault Code PC 0F – PFC Module Protection Read More »
37MUHA Fault Code PC 0L – Low Ambient Temperature Protection
Low outdoor ambient temperature protection is active.
37MUHA Fault Code PC 0L – Low Ambient Temperature Protection Read More »
37MUHA Fault Code EH b3 – Wired Controller Communication Malfunction
The indoor PCB does not receive feedback from the wired controller.
37MUHA Fault Code EH b3 – Wired Controller Communication Malfunction 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 »
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 Code LC 06 – Compressor Top or IPM Temperature Protection
Compressor top or IPM module temperature protection is active.
37MUHA Fault Code LC 06 – Compressor Top or IPM Temperature Protection 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 PC 03, PC 30, PC 31 – Pressure Protection
High- or low-pressure protection has stopped the system.
37MUHA Fault Codes PC 03, PC 30, PC 31 – Pressure 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 »