1. Safety Caution .....................................................................................................61
2. General Troubleshooting ....................................................................................62
3. Error Diagnosis and Troubleshooting Without Error Code ...............................63
3.1 Remote maintenance ...................................................................................63
3.2 Field maintenance .......................................................................................64
4. Quick Maintenance by Error Code ......................................................................65
5. Troubleshooting by Error Code ...........................................................................70
5.1 Common Check Procedures.........................................................................70
5.2 E0/F4 (EEPROM parameter error) .................................................................72
5.3 E1 (Indoor and outdoor unit communication error) ......................................73
5.4 E2 (Zero crossing detection error diagnosis and solution) ............................75
5.4 E3/F5 (Fan speed is operating outside of the normal range diagnosis and
solution) ......................................................................................................76
5.5 E4/E5/F1/F2/F3 (Open circuit or short circuit of temperature sensor diagnosis
and solution) ................................................................................................78
5.6 E7 (Indoor PCB /Display board communication error) ...................................79
5.7 EC (Refrigerant Leakage Detection diagnosis and solution) ..........................80
5.8 F0(Overload current protection diagnosis and solution) ................................81
5.9 P0(IPM malfunction or IGBT over-strong current protection diagnosis and
Troubleshooting
To Next Page
Loading...
Need help?
General
