Panasonic S-36PU1E5A Technical Data & Service Manual page 561

H03 Primary Current CT Sensor (current sensor) Failure
1. Error Detection Method
It is judged an error based on the criteria listed below.
• If 18A or greater is detected when the compressor is stopped (alarm triggered even if the connector is unplugged).
• If no current is detected even though a compressor is running.
2. Error Diagnosis
1 Check the
Turn the power on again and run the outdoor unit.
1-1
control
Is alarm occurred after operation?
PC board
5-39
Yes Replace CR board.
No See what happens.
5