37MGRA PC 41 (Outdoor compressor current sampling circuit failure diagnosis and solution)

37MGRA Diagnostic Codes

Diagnostic codes covered

PC 41

Description: Three-phase sampling offset voltage error, the static bias voltage is normally 2.5V. Recommended parts to prepare: Outdoor main PCB

Troubleshooting workflow

PC 41 (Outdoor compressor current sampling circuit failure diagnosis and solution) workflow
PC41 (Outdoor compressor current sampling circuit failure diagnosis and solution) workflow

Related diagnostic checks

Workflow source: original 37MGRA-02SM service-manual PDF. Error-code names cross-checked against 37MGRA-04SI.

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