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PC 40

37MUHA Fault Code PC 40 – ODU Main Chip and Compressor Drive Communication Error

37MUHA Fault Codes / By Carrier Enterprise

The outdoor main PCB cannot detect the IPM board.

37MUHA Fault Code PC 40 – ODU Main Chip and Compressor Drive Communication Error Read More »

37MGRA PC 40 (Communication error between ODU main chip and compressor driven chip diagnosis and solution)

37MGRA Diagnostic Codes / By Carrier Enterprise

Troubleshooting workflow for PC 40.

37MGRA PC 40 (Communication error between ODU main chip and compressor driven chip diagnosis and solution) Read More »

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