37MGRA EC 72 Lack phase failure of outdoor DC fan motor

37MGRA Diagnostic Codes

Diagnostic codes covered

EC 72(EC72)

No Yes No Yes No Yes No Yes

Troubleshooting workflow

EC 72 Lack phase failure of outdoor DC fan motor workflow
EC 72 Lack phase failure of outdoor DC fan motor workflow

Related diagnostic checks

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

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