Samsung AC180JNHPKH/AR Service Manual page 37

Displayed
No.
PCB Assy
24 MAIN/INVERTER
25 MAIN
26 MAIN
30 MAIN
32 MAIN
4-4
Meaning
IPM is over heated.
GAS Leak error
Capacity miss match between indoor and out-
door
EEV or Valve Close error-Self diagnosis
Error of Terminal Block's Thermal Fuse(Open)
Remarks
Check Outdoor Inverter PBA
Check indoor and outdoor
unit model
Check indoor and outdoor
unit model
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
Error
Remark
Code
E500
E554
4-3-23
E556
E422 4-3-22
E198 4-3-7
Samsung Electronics