ErrorCodeDoctor
Panasonic · Air Conditioner
Panasonic Air Conditioner H16 error code
Difficulty: Hard
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Cost: $100–$300
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Duration: Requires professional service
The H16 error means your Panasonic air conditioner detected a fault with the outdoor unit's current transformer — the component that monitors electrical current flowing through the outdoor unit. This is an important safety monitoring component. When it develops a fault the unit stops operating to prevent electrical damage. A qualified technician will need to inspect and repair this component.
Common causes
- Current transformer in the outdoor unit has malfunctioned or failed
- Wiring to the current transformer is loose or damaged
- Outdoor unit control board has a fault affecting current measurement
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 unit current transformer