37MGRA EC 0d (ODU Malfunction Diagnosis and Solution)

37MGRA Diagnostic Codes

Diagnostic codes covered

EC 0D

Description: The indoor unit detects the outdoor unit in error. Recommended parts to prepare: Outdoor unit Troubleshooting and repair:

Troubleshooting workflow

EC 0d (ODU Malfunction Diagnosis and Solution) workflow
EC0d (ODU Malfunction Diagnosis and Solution) workflow

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

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