Samsung ERV - EEPROM Error

Samsung Electronics 9-9
Error Mode EEPROM Error
Display
Check Method Communication Failure between EEPROM and Micom
Cause Fault of EEPROM
Sensor SPEC.
9-4-7 EEPROM Error
EEPROM Reassembly
Remove short or unsoldering
Replace EEPROM PBA.
No
No
Yes
Yes
Is EEPROM SUB PBA reassembled correctly?
Is any problem such as short or unsoldering
between EEPROM PIN?
Turn on the unit.
Occurrence of E162
EEPROM PBA CODE
: DB93-12483A