Eeprom Circuit Failure - Samsung AC018JN4DCH/AA Service Manual

Troubleshooting
Indoor unit display
Symptom
Failure
Are EEPROM SUM PBA correctly assembled?
in soldering failure or short of between EEPROM
4-22
(Operation)

EEPROM circuit failure

EEPROM component failure, EEPROM circuit parts missing/damaged/soldering failure
Power on.
E162 occurs.
Yes
Is there a problem
PIN?
Yes
Replace EEPROM PBA.
(Defrost) (Timer) X (Filter)
No
Reassemble EEPROM PBA.
No
Remove short or soldering failure.
Samsung Electronics