ErrorKhoj

Samsung Air Conditioner

Samsung AC CF error

Filter cleaning reminder

Not a faultFrom brand’s official support

This is a status message, not a breakdown.

What it means

A reminder to clean the air filters. It is not a fault.

Common causes

  • The unit has run for the set number of hours since the last cleaning

Try this at home first

Tick each step as you go

When to call a technician

Not needed. A full service once or twice a year keeps the AC efficient.

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 CF mean on a Samsung Air Conditioner?

Filter cleaning reminder. A reminder to clean the air filters. It is not a fault.

Can I fix Samsung Air Conditioner error CF myself?

Yes — CF is not a fault. Switch off and unplug, take out the indoor filters and wash them with plain water.

Is it safe to keep using the Air Conditioner with CF?

Yes, it is a status message.

Other Samsung AC codes

CL Auto clean is running 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

All Samsung Air Conditioner error codes

Same code on other brands

CF Condenser fan motor faultLG Refrigerator

Sources

We write every explanation in our own words from these references.

Last checked: 2026-10-20