Error code reference
Panasonic Air Conditioner Error Code H15
Compressor temperature sensor abnormality
Compressor temperature sensor abnormality — sensor open or short circuit detected continuously for 5 seconds.
First step from the service manual
Check the connector connection of the compressor temperature sensor.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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