31
ENGLISH
No.
Meaning
Remarks
Error Code
26
Capacity miss match between indoor and outdoor
Check indoor and outdoor unit model
E556
27
Option code miss matching among the indoors (only for DPM) Check indoor option code
E557
28
Outdoor EEPROM error (checksum)
Check Outdoor EEPROM Data
E470
29
EEV or Valve Close error-Self diagnosis
1 . Check if the service valve is open
2 . Check for refrigerant leakage (pipe
connections, heat exchanger) and
charge refrigerant if necessary
3 . Check if there's any blockage on
refrigerant cycle (indoor unit/outdoor
unit)
4 . Check if additional refrigerant has been
added after pipe extension
E422
30
Outdoor EEPROM checksum error between MAIN and
INVERTER .
Check Outdoor Inverter PBA
E590
4way Outdoor_북미향_IM_EN_05138A-00.indd 31
2014-12-08 오후 3:12:49