LG MULTI V M ARNU07GTU 4 Series Svc Manual page 80

Troubleshooting Guide
Error No. Error Type
Inv. PCB EEPROM
601
error
n Error Diagnosis and Countermeasure Flow Chart
Is EEPROM insertion normal?
Yes
Is Inv. PCB normal?
Yes
Recheck power and installation condition
* Inv. EEPROM inserting point
* Right inserting direction of Inv. EEPROM
❊ Note : Replace after power off
Error Point
EEPROM Access error
and Check SUM error
1.Check EEPROM insert direction/connection condition
No
2.Check EEPROM Check SUM
' Replace if abnormality found
No
Replace Inv. PCB
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Main Reasons
1. EEPROM contact defect/wrong insertion
2. Different EEPROM Version
3. ODU Inv. PCB assembly damage
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