LG Multi V - Page 94

Troubleshooting Guide
- 94 -
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60
Inverter PCB EEPROM
error
Error
No.
Error Type Error Point Main Reasons
EEPROM Access error and
Check SUM error
1. EEPROM contact defect/wrong insertion
2. Different EEPROM Version
3. ODU inverter PCB assembly damage
■ Error Diagnosis and Countermeasure Flow Chart
Is EEPROM insertion normal?
No
Yes
Recheck power and installation condition
1.Check EEPROM insert direction/connection condition
2.Check EEPROM Check SUM
→ Replace if abnormality found
Is inverter PCB assembly normal?
No
Yes
Replace inverter PCB assembly
Inverter EEPROM inserting point
Right inserting direction of inverter EEPROM
❊ Note : Replace after power off
EEPROM enlarged picture