Error code reference

Sanyo Air Conditioner Error Code H5

IPM module protection-IPM module over temperature, low voltage, or silica grease problem.

SourceSanyo DLC4/DLF4 R-410A Ductless Split System - Service Manualp. 48, 49, 51, 54

Diagnostic procedure

The full H5 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Cut off power, wait 10 minutes, re-energize; if fault persists after several attempts, replace the module.

SourceSanyo DLC4/DLF4 R-410A Ductless Split System - Service Manualp. 48, 49, 51, 54

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

1 manual in the MyPros+ library documents this code for Sanyo air conditioner.

Models covered by the manuals that document this code

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The full H5 procedure

Where this code is documented

Models covered by the manuals that document this code

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