Viking Designer Cooktop Code Fc: Over Temperature With a Small c

What Fc means

On Viking Designer DETU series touch-control radiant cooktops, a small c in Fc means over temperature. Every element is switched off by the control, with the code on the timer display. This differs from capital FC, which is a key error. The cooktop detected more heat than it allows, so it shut off the elements to protect the glass and the electronics.

Common causes of Fc

Cooktop cooling or ventilation restricted
Sensor detecting excess temperature
Element or relay staying on too long
Control problem

✓ One safe check you can try

1. Turn all zones off and let the cooktop cool for at least 30 minutes. 2. Clear items from under or around the cooktop so air can move. 3. Let the breaker stay off for a minute, then switch it on. 4. Cook on a lower setting. 5. If Fc returns, call us.

! Why to stop there

Overheating can crack glass and age electronics
Tests need the cooktop opened
The cause may be a stuck relay, which is not a DIY item

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Cooktop codes

7Viking Induction Cooktop Code 7: voltage supply missing a leg FOViking Designer Cooktop Code FO: Software Error in the Control 8Viking Induction Cooktop Code 8: unassignable error received FrViking Designer Cooktop Code Fr: A Relay Error Stops All Heat 8 flashes (with brief interval)Viking VCCU Cooktop Code 8 flashes (with brief interval): Inside Ambient Is Too High FtViking Designer Cooktop Code Ft: Sensor Failure With a Small t 9Viking Induction Cooktop Code 9: coil temperature sensor defective FUViking Designer Cooktop Code FU: Another Key Error Stops the Elements

FcFc questions

Is Fc different from FC?

Yes. A small c is over temperature. A capital C is a key error. Read the display carefully and tell us which letter case you see.

Is it safe to keep cooking?

No. The cooktop already shut off because it overheated. Let it cool, make sure airflow is clear, and call us if the code returns. Telling us the case saves a trip, because capital FC is a key error instead.

Can cabinets cause overheating?

Poor clearances or blocked vents can. We check the installation as part of the visit and quote the price in writing first. You always see the number before we begin.