F42
Panasonic
Panasonic air conditioner error F42
Meaning
Open in the current sensor circuit (malfunction of the electronic filter board (NOISE FILTER) of the outdoor unit or ASN2 connector). Abnormally low current consumption of air conditioning
General meaning for the brand's models, unless a model's own manual says otherwise.
Causes and how to check
- 2 possible causes
- 2 checks in order
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Checking an air conditioner temperature sensor (thermistor)
How to check the room, coil or discharge sensor when the unit reports a sensor error: measure its resistance and compare with the exact model's table.