Samsung C-F2 fault codewhat it means and how to fix it
Abnormal communication on the touch key. The only one of Samsung’s six codes with a one-button remedy: press Stop and try again.
Before you start
What C-F2 means
C-F2 is the mildest thing on Samsung’s published list and the only one they answer with a button press rather than a power cord. Their description is that abnormal communication occurs on the touch key, and their action is to press Stop to try again. Both halves of that are informative. The fault is in the conversation between the touch panel and the board that reads it, rather than in the panel itself or in anything on the high-voltage side, and Samsung clearly expect the condition to be transient — you do not offer a retry for something broken.
In practice a communication hiccup on a control panel usually comes from interference or a marginal connection rather than a failed component: a supply disturbance, a connector that has worked slightly loose with the heat cycling the appliance goes through, or moisture affecting the panel enough to garble the signalling without holding a key down. That last one is the reason this code and the stuck-key code often turn up in the same households, and it is worth cleaning and drying the fascia even though Samsung do not ask you to for this one.
What to watch for is frequency rather than the event. A single occurrence cleared by pressing Stop is exactly what Samsung’s remedy is for and needs no further thought. The same code several times a week is a marginal connection deteriorating, and it is better addressed while it is intermittent than after it has become the harder version — Samsung’s other communication code, C-F0, is the same class of problem with no remedy offered at all.
What causes it
| Cause | What is actually happening | How likely |
|---|---|---|
| Transient communication glitch on the touch key | Samsung’s stated condition, and the reason their remedy is a retry rather than a repair. | Common |
| Connector to the touch panel working loose | Heat cycling gradually loosens a marginal connection, which shows up as an intermittent rather than a constant fault. | Occasional |
| Moisture affecting the panel | Enough to disturb the signalling without holding a key down, which is the separate stuck-key code. | Occasional |
| Supply disturbance while the appliance was running | A brief dip or spike on the mains can garble the exchange between panel and board without damaging either. | Occasional |
What to try yourself
Press Stop. That is Samsung’s entire published remedy for this code and it clears the common case.
Set what you wanted again. If it runs normally, this was the transient event the retry exists for.
If Stop does not clear it, unplug it for a minute and plug it back in. That is Samsung’s standard first move for their other codes and it costs nothing.
Clean and dry the fascia while you are there. Samsung do not ask for it on this code, but moisture on the panel sits behind the neighbouring stuck-key fault.
A barely damp cloth, nothing sprayed at the panel. Liquid getting behind the fascia creates the version of this fault that does not clear.Keep a rough note if it recurs. Several times a week is a connection deteriorating, and that is worth a visit while it is still intermittent.
Get a qualified appliance engineer to look at your Samsung C-F2
We do not pass enquiries to a repair firm, so there is no form here. When you book a qualified appliance engineer, tell them the make, the model and the exact code or message on the display, and ask whether they carry parts for this make — that is what turns one visit into a repair rather than a quote.
What it costs to fix
Typical repair cost
£0–£120
Time on site
5 minutes
Nothing in the ordinary case, since pressing Stop is the published remedy. If it becomes persistent, a panel connection or touch panel with a visit is typically £80 to £120.
Typical UK prices including parts and labour, updated September 2026. Your quote may differ.
Own this appliance and had this code? . Nothing is published until a person has read it.
Related Samsung fault codes
- C-d0Usually simple to fixA touch key has been held for more than ten seconds. Usually moisture or dust on the panel, and Samsung ask you to clean the button.Related: controls and electronics
- C-F0Get it checkedThe two processors inside have stopped talking to each other. Samsung publish no owner remedy — unplug it and contact them.Related: controls and electronics
- C-F1Get it checkedThe appliance cannot read or write its own memory. Published in Samsung’s combination-model manuals and absent from their support page.Related: controls and electronics
- C-A1Get it checkedThe vent damper has not been sensed opening or closing within a minute. A code only the over-the-range models can show.Related: controls and electronics
- C-21Get it checkedThe cavity temperature has gone over the limit during operation. Samsung annotate this one "(Fire sensed.)", which is their wording and worth taking at face value.Related: same brand
- C-20Get it checkedThe temperature sensor circuit is open or short. Samsung’s UK page gives no owner action — unplug it and call them — though their combination manual allows one retry first.Related: same brand
Own a Samsung microwave? Save it and its codes come first next time.
Related guides
Common questions about Samsung C-F2
Do I need to do anything if pressing Stop fixed it?
No. That is precisely what Samsung’s remedy is for, and a single cleared occurrence is not a fault worth pursuing.
It happens two or three times a week.
Then it has stopped being the transient event the retry was designed for. Intermittent communication faults generally come from a connection getting worse rather than better, and it is cheaper to look at while the appliance still works most of the time.
Is it related to C-F0?
Same class of problem, different severity, and Samsung treat them differently on purpose. C-F2 is the touch key conversation and gets a retry. C-F0 is the main and sub processors losing contact altogether and gets no owner remedy at all.
Technical review
Not reviewed by an engineer
No engineer has read this page. Severity follows what the manufacturer publishes, and we would rather tell you that than let a byline imply a sign-off.
Sources and how we verified this
We establish the facts from the sources below and then write the explanation ourselves. We do not copy manufacturer wording and we do not host their manuals.
- Manufacturer support portal
- Manufacturer technical and service documentation
This page has not been reviewed by an engineer, and we would rather tell you that than imply otherwise. The severity rating follows what the manufacturer publishes: where they say isolate the appliance and call someone, so do we.