Samsung Electronics 4-5
No.
Displayed
PCB Assy
Meaning Remarks
Error
Code
Remark
24 MAIN/INVERTER IPM is over heated. Check Outdoor Inverter PBA E500
4-3-23
25 MAIN GAS Leak error
Check indoor and outdoor
unit model
E554
26 MAIN
Capacity miss match between indoor and out-
door
Check indoor and outdoor
unit model
E556
30 MAIN EEV or Valve Close error-Self diagnosis
1. Check for refrigerant leak-
age (pipe connections, heat
exchanger) and charge
refrigerant if necessary
2. Check if there's any block-
age on refrigerant cycle
(indoor unit/outdoor unit)
3. Check if additional refriger-
ant has been added after
pipe extension
E422 4-3-22
32 MAIN Error of Terminal Block's Thermal Fuse(Open) E198 4-3-7
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