LG Air Conditioner
LG AC CH61 error
Outdoor unit overheat protection
Most people can clear this with the simple steps below.
Also shown as: 61
What it means
The outdoor coil is too hot, so the AC reduced power or stopped to protect itself.
Common causes
- Very high outdoor temperature
- Dirty outdoor coil or blocked air flow
- Outdoor fan not running properly
Try this at home first
Tick each step as you go
When to call a technician
If it repeats, get the outdoor coil washed and the fan checked.
Safety first
Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.
Frequently asked questions
What does CH61 mean on a LG Air Conditioner?
Outdoor unit overheat protection. The outdoor coil is too hot, so the AC reduced power or stopped to protect itself.
Can I fix LG Air Conditioner error CH61 myself?
Usually yes. Start with: Clear the space around the outdoor unit; shade it without blocking air flow.
Is it safe to keep using the Air Conditioner with CH61?
Yes, once the cause is fixed.
Other LG AC codes
Sources
We write every explanation in our own words from these references.
Last checked: 2026-10-20