39
LG
LG air conditioner error 39
Meaning
Communication Error
General meaning for the brand's models, unless a model's own manual says otherwise.
How the unit shows it
- LED01G (Red): 3 times
- LED02G (Green): 9 times
Causes and how to check
- 1 possible causes
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Communication error between indoor and outdoor unit: what to check, in which order
Communication (transmission) error codes usually come from the connecting wire, the supply or a board. The checks from easy to hard.