Thermador Cooktop F8 on Older CIT365DS and CIT304E Induction Units: Element Ran Too Long, Auto Shut-Off

What F8 means

F8 on a CIT365DS or CIT304E induction cooktop means one element ran continuously for too long and the automatic shut-off stopped it. That is the older generation's wording and it differs from the current Thermador induction table. Turn the element off and you can switch it on again immediately; the cooktop is not signaling damage, only that its running-time limit was reached.

Usual causes of F8

Element left on for an extended period
Long unattended simmering or boiling
Automatic shut-off timer reached its limit

✓ A safe check worth trying

1. Make sure the pan is safe and nothing is burning on the element. 2. Turn the element off. 3. Turn it on again; the manual says this can be done right away. 4. Set a lower power level for long cooking so the limit is reached less often.

! Why you should stop here

F8 normally needs no repair because the shut-off is by design.
If it appears after only a short time, the timer logic should be checked.
We say so plainly when the cooktop is fine.

Taking off a panel yourself does not by default void a manufacturer warranty, yet it can lead to accidental damage, and some manufacturers attach their own service terms. Read your warranty paperwork, or ask us, before you decide.

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More Cooktop codes

F2Older Thermador Cooktop F2 on CIT365GB-Series Induction Units: Element Too Hot (Not the Current Meaning) F3Thermador Cooktop F3 on Older CIT365GB-Series Induction Units: Cooking Sensor Too Hot (Legacy Meaning) F4Older Thermador Cooktop F4, CIT365GB-Series Induction: Pan Too Close to Control Panel (Legacy) F8Legacy Thermador Cooktop F8 on CIT365GB-Series Induction Units: Automatic Shut-Off After Long High-Power Use E8205Thermador Induction Cooktop E8205 Sensor Connection Lost E + series of numbers (Er)Older Thermador Induction Cooktop "E" Plus Number Display (Er): Electronic System Error on CIT365GB, CIT304GB and CIT365DS Models E8206Thermador Induction Cooktop E8206 Sensor Failure F0Older Thermador Cooktop F0 on CIT365DS and CIT304E Induction Models: Internal Error (Not the Current Meaning)

F8F8 questions

Do I need service for F8?

Usually not. The manual treats it as an automatic shut-off, and you can switch the element back on at once. Book a visit only if it trips after short, ordinary cooking.

Is F8 here the same as the F8 on newer Thermador cooktops?

They are related but not identical. Current cooktops describe F8 as a time limitation; this older table says the element was in constant operation too long. We match by model.

Can F8 damage my pan?

The shut-off removes heat, which protects the pan and the cooktop. Check food that was cooking, since it will stop heating when the element turns off.