Samsung AC030JN4DCH - 4-3-6 EEPROM Circuit Failure

Troubleshooting
4-22 Samsung Electronics
Indoor unit display
(Operation) (Defrost) (Timer) X (Filter)
Symptom
EEPROM circuit failure
Failure
EEPROM component failure, EEPROM circuit parts missing/damaged/soldering failure
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Power on.
E162 occurs.
Replace EEPROM PBA.
Yes
Yes
No
No
Are EEPROM SUM PBA correctly assembled?
Is there a problem
in soldering failure or short of between EEPROM
PIN?
Reassemble EEPROM PBA.
Remove short or soldering failure.