ErrorCodeDoctor
Panasonic · Air Conditioner
Panasonic Air Conditioner H34 error code
Difficulty: Hard
·
Cost: $80–$200
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Duration: Requires professional service
The H34 error means your Panasonic air conditioner detected a fault with the outdoor heat sink temperature sensor. The heat sink dissipates heat from the power transistor module in the outdoor unit. This sensor monitors the heat sink temperature to prevent the power electronics from overheating. When it fails the unit cannot protect the electronics safely and stops operating. A qualified technician will need to inspect and replace the sensor.
Common causes
- Outdoor heat sink temperature sensor has malfunctioned or failed
- Wiring to the sensor is loose or damaged
- Sensor is giving an out-of-range reading
How to fix it
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1
Turn off the unit at the circuit breaker
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2
Contact a qualified technician to inspect and replace the outdoor heat sink temperature sensor