4-34 Samsung Electronics
Indoor unit display
(Operation)
(Defrost)
(Timer)
(Fan)
(Filter)
Wire remote controller display
E162
Symptom
EEPROM PCB disconnected from the MAIN PCB
Failure
Option error
4-7-7 EEPROM error
No
No
Yes
Is the error mode disappear ?
Yes
Is the EEPROM PCB
disconnected from the MAIN PCB?(CN201)
The indoor unit work normaly
Connect the EEPROM PCB to MAIN PCB
and restart the unit
Replace the PCB and
restart the unit
Connect the EEPROM PCB to MAIN PCB
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