Troubleshooting
4-50 Samsung Electronics
4-4-15 EEPROM error
Indoor unit display
×
(Operation)
◑
(Timer)
◑
(Fan)
◑
(Filter)
×
(Defrost)
• PCB replacement due to defective EEPROM
Criteria
Cause of problem
• Communication failure between EEPROM and MICOM
Outdoor unit display
Yes
Are there any problems
such as short or dewetting between
EEPROM PIN?
If you restart after reentering
model options and power reset, does the
error occur again?
Replace PCB
Yes
No
Normal operation
No
1. How to check
Check the location of EEPORM by
referring to the schematic diagram
Replace PCB
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