Samsung AC026KNADEH Service Manual page 44

4-3-6 EEPROM circuit failure
Indoor unit display
Symptom EEPROM circuit failure
Failure EEPROM component failure, EEPROM circuit parts missing/damaged/soldering failure
Are the EEPROM circuit
Yes
components in good conditions?
(missing components / damage /
soldering failure)
Replace the PCB if the restart fails
No
Restart the unit after replacing the PCB
Samsung Electronics 4-15