ErrorCodeDoctor
Panasonic Air Conditioner F93 error code
The F93 error means your Panasonic air conditioner detected that the compressor is rotating at an abnormal speed — either too fast or too slow compared to the expected operating range. This can indicate a refrigerant issue, an electrical fault, or a mechanical problem with the compressor itself. A qualified technician will need to diagnose the cause and repair or replace the compressor.
Common causes
- Refrigerant undercharge causing the compressor to run at abnormal speed
- Electrical fault in the compressor drive circuit
- Compressor mechanical fault causing abnormal rotation
How to fix it
-
1
Turn off the unit at the circuit breaker
-
2
Contact a qualified technician to inspect the compressor speed and diagnose the underlying cause
Related Panasonic Air Conditioner error codes
F93 error — frequently asked questions
What does the F93 error mean on a Panasonic air conditioner?
The compressor detected an abnormal revolution speed
What causes the F93 error?
The F93 error is usually caused by: Refrigerant undercharge causing the compressor to run at abnormal speed; Electrical fault in the compressor drive circuit; Compressor mechanical fault causing abnormal rotation.
Can I fix the F93 error myself?
This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.
How much does it cost to fix the F93 error?
Fixing the F93 error on a Panasonic air conditioner typically costs $200–$600, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my air conditioner with the F93 error?
We'd recommend addressing the F93 error before continuing to use the air conditioner, since hard-rated issues often involve a real fault rather than a minor glitch.