Samsung SINGLE AF50MS3MCEENHC Technical Data Book page 52

13. Installation
AF50MS3MCEENHC+AF50MS3MCEEXHC, AF50MV3MCEENHC+AF50MV3MCEEXHC
Displayed
No.
PCB Assy
21 MAIN
22 MAIN/INVERTER IPM (IGBT Module) or PFCM Temperature sensor Error
23 MAIN/INVERTER
24 MAIN/INVERTER
25 MAIN
26 MAIN
27 MAIN
28 MAIN
29 MAIN
30 MAIN
31 MAIN
52
Meaning
Outdoor EEPROM error
PFC Overload Error
IPM is over heated.
GAS Leak error
Capacity miss match between indoor and outdoor
Error due to not using Smart Install
Outdoor EEPROM error (checksum)
EEV or Valve Close error-Self diagnosis
Outdoor EEPROM checksum error between MAIN and
INVERTER.
Error on thermal fuse of indoor unit (Open)
Remarks
Check Outdoor EEPROM data
Check Outdoor Inverter PBA
Check Outdoor Inverter PBA
Check Outdoor Inverter PBA
Check indoor and outdoor unit model
Check indoor and outdoor unit model
Check Indoor option code
Check Outdoor EEPROM Data
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
Check Outdoor Inverter PBA
Error Code
E471
E474
E484
E500
E554
E556
E508
E470
E422
E590
E198