Is Eeprom Insertion Normal? - LG Therma V ZHBW056A0 Service Manual

Display
Title
code
PCB(Inverter) & Main
60
EEPROM check sum error
WARNING
Before checking PCB(Inverter) or each outdoor electric parts, wait for 3 minutes after the power is off. When measuring at standby
state of power supply, after checking the measurement mode of the meter, be careful of the short-circuits with other parts.
n Error Diagnosis and Countermeasure Flow Chart

Is EEPROM insertion normal?

Yes
Is PCB assembly 1 normal?
Yes
MAIN PCB assembly 1 normal?
Yes
Recheck power and installation condition
Check Point
- Check the EEPROM Check sum & Direction
▶ZHBW056A0 / ZHBW076A0 / ZHBW096A0
Cause of error
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 PCB assembly 1
No
Replace MAIN PCB assembly 1
- 105 -
Check point & Normal condition
1. EEPROM contact defect/wrong insertion
2. Different EEPROM Version
3. ODU Inverter & Main PCB assembly 1 damage
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