Troubleshooting Guide

Troubleshooting 25
Part requiring
replacement
Error Code
EC 51 EC 56
EC 07/
(O)EC 71
PC 08/(O) PC 44
/PC 46 / PC 49
PC 00/
PC
04
PC 01/(O)PC 10
/PC 11/PC 12
(O)PC 0F
Outdoor PCB
Outdoor fan motor x x x x
T3 Sensor x x x x x x x
T4 Sensor x x x x x x x
TP Sensor x x x x x x x
T2B Sensor x x x x x x
Reactor or inductance x x x
Compressor x x x x x x
IPM module board x x x x
Bridge rectifier x x x x
PFC module x x x x x x
Additional refrigerant x x x x x x x
Electric control box x x x x x x x
High pressure switch x x x x x x x
Low pressure switch x x x x x x x