Operating Instructions and Installation
4-16
Samsung Electronics
Troubleshooting
Resume operation after replacing PCB
No
Yes
If the circuit part of the
EEPROM is okay
(necessary component missing in
EEPROM
circuit part/ damage/
soldering defect)
Resume operation after repairing
it according to P8-2 circuit diagram’s
EEPROM part, P6~6-10
component list.
If problem occurs during
re-operation, replace PCB
4-3-5 EEPROM circuit part defect
Indoor unit display
(Operation) X(Defrost)
(Reservation)
(Fan) X(Filter)
Criteria
EEPROM circuit part defect
Cause of problem
EEPROM component defect/ necessary component missing in EEPROM circuit part/ damage/ soldering