LG MULTI V M ARNU07GTU 4 Series Svc Manual page 57

Error
Error Type
No.
Indoor unit EEPROM
09
error
n Error diagnosis and countermeasure flow chart
- Replace the indoor unit PCB, and then make sure to perform Auto addressing and input the address of central control
Error Point
Error occur in EEPROM
of the Indoor PCB
- 57 -
Troubleshooting Guide
Main Reasons
1. Error developed in communication between the
micro- processor and the EEPROM on the
surface of the PCB.
2. ERROR due to the EEPROM damage
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