Samsung AC018MNHDCH/AA Service Manual page 48

4-2-7 EEPROM error
Indoor unit display
Wire remote controller display
Symptom
Failure
disconnected from the MAIN PCB?(CN201)
Connect the EEPROM PCB to MAIN PCB
Is the error mode disappear ?
The indoor unit work normaly
Samsung Electronics
(Operation)
E162
EEPROM PCB disconnected from the MAIN PCB
Option error
Is the EEPROM PCB
No
Yes
(Defrost) (Timer) (Fan)
Yes
No
(Filter)
Connect the EEPROM PCB to MAIN PCB
and restart the unit
Replace the PCB and
restart the unit
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