Operation Manual

302

11.1.8

Display LED STATUS

P1 Over load or too low voltage protection

11.1.9

Display LED STATUS

P2 Compressor top protection against temperature

Off: 120c; On: 105c

Is the power supply right?

Check the outdoor power board

Replace the outdoor power board

Yes

Does compressor operate?

Is refrigerant circulation volume normal?

Gas charging

Is abnormality the same after gas charging

Check refrigerant system (such as clogging of capillary, etc)

Is protector normal?

Check the outdoor main PCB.

Replace protector

Yes