LG multi V PLUS

280 Trouble Shooting Guide
Self-diagnosis function
Trouble shooting Flow
Fault diagnosis and Trouble shooting guide
62
Error Item
Error
Display No.
Major Error Occurrence CauseMeaning
Heatsink of inverter
compressor
Overheat of inverter
heatsink
• Overheat of IPM
• Failure of cooling fan
No
Replace the compressor IPM.
Yes
Replace the fan IPM.
Replace the cooling fan
Is the compressor IPM normal?
No
Yes
Is the fan IPM normal?
No
Yes
Is the cooling fan normal?
Check the main PCB terminal.