1. 9 Troubleshooting 9 1 Indoor Unit Error Display Indoor room temperature sensor T1 open circuit or short circuit Condenser coil temperature sensor open circuit or short circuit Compressor discharge temperature sensor open circuit or short circuit 0 _ Outdoor fan speed has been out of control _ Temperature protection of compressor top __ The protection ofthe outdoor temperature oo low O light X off 3 flash Note P2 P3 only for 18K 24K model 46