37MGRA EC 5C (Suction Transducer is in open circuit or has short circuited for Crossover Units) diagnosis and solution

37MGRA Diagnostic Codes

Diagnostic codes covered

EC 5C(EC5C)

Description: If the sampling voltage is lower than 2V or higher than 254V, the LED displays the failure code. Recommended parts to prepare: Connection wires Sensor Outdoor PCB Troubleshooting and repair:

Troubleshooting workflow

EC 5C (Suction Transducer is in open circuit or has short circuited for Crossover Units) diagnosis and solution workflow
EC 5C (Suction Transducer is in open circuit or has short circuited for Crossover Units) 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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