LG Therma V ZHBW056A0 Service Manual page 77

Code
Description
No.
PCB(Heater) EEPROM
09
Check Sum Error
Check Point
1. Check the EEPROM Direction
2. If the EEPROM value & the Program value are not matched, the Code is Displayed
3. After Checking the connection and Insertion, replace the PCB or Option PCB
Cause
• Check sum error
<EEPROM Direction Check Point>
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Normal Condition
1. Check the poor soldering
2. Check the insertion condition of the EEPROM
3. Check the PCB Connection
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