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
1-1
control
PC board
5
Turn the power on again and run the outdoor unit.
Is alarm occurred after operation?
5-34
Yes
Replace CR board.
No
See what happens.