LG ACHH Series Manual page 81

Air-cooled inverter scroll chiller
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Error No.
Error Type
Inverter PCB EEP-
60
(601)
ROM error
n Error Diagnosis and Countermeasure Flow Chart
Is EEPROM insertion normal?
Yes
Is inverter PCB assembly normal?
Yes
Recheck power and installation condition
* Inverter EEPROM inserting point
* Right inserting direction of inverter 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 inverter PCB assembly
- 81 -
Main Reasons
1. EEPROM contact defect/wrong insertion
2. Different EEPROM Version
3. ODU inverter PCB assembly damage
Error code check

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