Samsung Air Conditioner
Samsung AC CL error
Auto clean is running
Not a faultFrom brand’s official support
This is a status message, not a breakdown.
What it means
The indoor unit is drying and cleaning its coil to prevent bad smell and mould. It is not a fault.
Common causes
- Auto Clean was switched on, or runs after cooling
Try this at home first
Tick each step as you go
When to call a technician
Not needed.
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 CL mean on a Samsung Air Conditioner?
Auto clean is running. The indoor unit is drying and cleaning its coil to prevent bad smell and mould. It is not a fault.
Can I fix Samsung Air Conditioner error CL myself?
Yes — CL is not a fault. Let it finish, or switch Auto Clean off from the remote.
Is it safe to keep using the Air Conditioner with CL?
Yes, it is a status message.
Other Samsung AC codes
CF
Filter cleaning reminder
dF
Defrosting (normal)
E1
Indoor room temperature sensor fault / Indoor coil (evaporator) temperature sensor fault / Indoor fan motor fault / Memory (EEPROM) error — indoor unit board
E5
Indoor coil (evaporator) temperature sensor fault
E6
Outdoor coil (condenser) temperature sensor fault
E7
Heater temperature sensor fault
E101
Communication error (indoor ↔ outdoor unit)
Same code on other brands
Sources
We write every explanation in our own words from these references.
- Samsung Support — Error codes on Samsung indoor unit air conditioner
- BOXT — Samsung air conditioning fault codes
- PickHVAC — Samsung mini split error codes
Last checked: 2026-10-20