Hydro Unit Troubles; Eeprom Error - Samsung AE040JXEDEH Service Manual

4-3 Hydro Unit

4-3-1 EEPROM error

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