Eeprom Error - Samsung AHU Series Service Manual

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Troubleshooting

4-2-6 EEPROM error

Indoor unit display
(Operation) (Timer) (Fan) (Filter) (Defrost)
Wire remote controller display E162
Symptom EEPROM PCB disconnected from the MAIN PCB
Option error
Failure
Is the EEPROM PCB
Yes
disconnected from the MAIN PCB?
(CN201)
Connect the EEPROM PCB to
MAIN PCB
No
and restart the unit
Connect the EEPROM PCB to MAIN PCB
No
Is the error mode disappear ?
Replace the PCB and
restart the unit
Yes
The indoor unit work normaly
Samsung Electronics 4-9