F41
Panasonic
Panasonic air conditioner error F41
Meaning
High pressure sensor triggered. CN-PSW1 outdoor unit circuit board connector (open circuit)
General meaning for the brand's models, unless a model's own manual says otherwise.
Causes and how to check
- 1 possible causes
- 1 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. - Pressure, low refrigerant and high discharge temperature errors: where to start
Pressure and discharge-temperature protection codes: tell a low charge from a blockage or poor heat rejection before charging.