GREE U-Match 5 SERIES UNIT SERVICE MANUAL
42
Troubleshooting：
3.4.2 ―E2‖ Indoor Anti-freezing Protection
Error display: IDU wired control and IDU receiver light board will display E2
Error judgment condition and method:
Check IDU pipe temperature. When pipe temperature is too low, freeze protection will be activated to prevent freezing damage
of evaporator.
Possible reason：
■IDU filter and evaporator are dirty
■IDU motor is blocked
■Refrigerant amount is insufficient
To Next Page
Loading...
