Samsung AC018JNHDCH/AA Service Manual page 47

4-2-8 Option error
Indoor unit display
(Operation) (Defrost) (Timer) (Fan) (Filter)
Wire remote controller display E163
Symptom EEPROM option setting error
Option error
Failure
Input the right option to EEPROM PCB
No
Is the error mode disappear ?
Replace the PCB and
Yes
restart the unit
The indoor unit work normaly
4-12 Samsung Electronics