Samsung CF: Filter cleaning reminder

CF is a filter-cleaning reminder on supported Samsung air conditioners, not necessarily a malfunction.

ERROR CODECFCheck your exact model

No verified model list is available for this code

A manufacturer code/support source may be available, but no exact supported model has been documented for this record. Do not treat the code as a model-specific diagnosis without checking the manual.

Verify the full model number against the manufacturer manual.

Open manufacturer source

What does this display message mean?

CF is a filter-cleaning reminder on supported Samsung air conditioners, not necessarily a malfunction.

Manufacturer guidance is model/type dependent. The code alone does not identify a failed part.

Code meaning matched manufacturer source

The exact code and primary meaning appear in manufacturer documentation. Scope: Üreticinin belirttiği cihaz türü / desteklediği model ailesi. Individual parts and all models are not verified.

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What can you try?

  1. 01

    Record the code and exact appliance model

    Photograph CF as displayed and record the full model number from its label. Samsung may use different meanings for the same characters on other products.

    What the result means: Do not treat a generic code as proof of a failed component.

  2. 02

    Clean the user-accessible filter

    Switch off the unit. Follow the manual for removing and cleaning the washable filter; reinstall only once fully dry.

    What the result means: Cleaning does not always clear the reminder automatically.

  3. 03

    Reset the reminder as your model specifies

    Use the filter-reset function on your remote or app according to the exact model manual.

    What the result means: If operation is normal and CF clears, no repair is normally needed.

Stop immediately for leaks, smoke, burning smell or electrical danger. For gas leaks, leave the area and call local emergency services.

How do you actually fix this?

Start with safe checks. Some codes have no safe home fix; in that case we explain what the professional repair actually involves.

Practical fixes you can try

  1. Use your exact manual to distinguish a fault from an operating mode or maintenance reminder.
  2. For fan-speed, auto-clean, test or showroom indicators, return to a normal mode using the controls in the manual. No part replacement is implied.

If it persists, how is it actually repaired?

An informational indication usually needs no repair. If it remains after the specified maintenance, a technician verifies the counter or detection logic before considering any part repair.

How do you know it is fixed? The indicator should clear on returning to normal mode or after the manufacturer-prescribed maintenance reset.

Safety and warranty: Warranty terms depend on manufacturer, model and local law. Damage caused by unauthorised disassembly or improper repair may be excluded. Live electrical work, gas, refrigerant circuits and sealed cabinets require qualified professionals; this is not a DIY instruction for those tasks.

Evidence: The manufacturer link above supports the broad code meaning. The repair pathway is a general technical diagnostic explanation, not a confirmed failed-part diagnosis for every model.

Manufacturer source

Independent safety-focused explanation with a manufacturer link. Possible causes are not verified part diagnoses; the code may vary by model or region.

Open original manufacturer guidance ↗