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PC 10

37MUHA Fault Codes PC 10, PC 11, PC 12 – ODU Voltage Protection

37MUHA Fault Codes / By Carrier Enterprise

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 »

37MGRA PC 10 (ODU low AC voltage protection)/ PC 11 (ODU main control board DC bus high voltage protection)/ PC 12 (ODU main control board DC bus high voltage protection /341 MCE error) Diagnosis and Solution

37MGRA Diagnostic Codes / By Carrier Enterprise

Troubleshooting workflow for PC 10, PC 11, PC 12.

37MGRA PC 10 (ODU low AC voltage protection)/ PC 11 (ODU main control board DC bus high voltage protection)/ PC 12 (ODU main control board DC bus high voltage protection /341 MCE error) Diagnosis and Solution Read More »

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