Contents
1.
Safety Caution .....................................................................................................47
2.
General Troubleshooting ....................................................................................47
3.
Error Diagnosis and Troubleshooting Without Error Code ...............................48
3.1
Remote maintenance ...................................................................................48
3.2
Field maintenance .......................................................................................49
4.
Quick Maintenance by Error Code ......................................................................50
5.
Troubleshooting by Error Code ...........................................................................77
5.1
Common Check Procedures.........................................................................77
5.2
E1(EEPROM parameter error diagnosis and solution) ....................................78
5.3
E2 (Zero crossing detection error diagnosis and solution) ............................79
5.4
E3 (Fan speed has been out of control diagnosis and solution) .....................80
5.5
E5/E6 (Open circuit or short circuit of temperature sensor diagnosis and solution)
..................................................................................................................82
5.6
EC (Refrigerant Leakage Detection diagnosis and solution) ..........................83
Troubleshooting