Thermador C-Series Oven F24 (F-24 in Manuals): Touch Key Stuck or Panel Blocked

What F24 means

If an older Thermador C, CM or CJ oven shows F24, one touch key appears stuck. The Care and Use manuals print it as F-24 and blame close contact with the panel for more than 60 seconds, such as someone leaning on the controls or items hanging in front of them. If nothing is touching the panel, the service document points to the display board and touch panel connections.

Usual causes of F24

Something resting against or hanging close to the front or back of the touch pads
Connection between the control display board and the touch panel
Display board, then touch panel, if the code persists

✓ A safe check worth trying

1. Move anything away from the control panel, including towels, magnets and leaning hands. 2. Wipe the glass dry. 3. Touch OFF or switch power off at the breaker, wait three minutes, and restore it. 4. If F24 still appears with the panel clear, call us.

! Why you should stop here

Most F24 events clear once the obstruction is removed, so a service visit is for the persistent ones
Replacing panels is expensive if the real cause was a towel
We quote in writing, and we confirm legacy parts by model number

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.

→Same appliance

More Oven codes

F31Thermador Legacy CM/CJ Upper Oven F31 Sensor Circuit Open F80What F80 Means on a Legacy Thermador C/CM Wall Oven: Lower Door Signal Shorted Low FrWhat Fr Means on a Legacy Thermador SC/SM Wall Oven: Lower Oven Latch, Link or Supervisor E13Thermador Oven E13, CT vs CMT Dreefs Control: Frozen Latch or Board Not Converted F32Self-Clean Overheat: Thermador C/CM/CJ Wall Oven F32 in the Upper Oven F81Lower Door Stuck Unlocked: Thermador Wall Oven F81, C/CM-Series Legacy E011Thermador Masterpiece Steam and Convection Oven E011 on Legacy MES301HS and MES301HP: Touchpad Stuck E14Thermador Wall Oven E14 on CT/CMT Ovens with Dreefs Control: Loose Latch Switch

F24F24 questions

How long must contact last to set F24?

The manuals say more than 60 seconds of close contact with the control panel. A quick touch will not trigger it, but a hanging dish towel or a leaning person can.

What if nothing is touching the panel?

Then the stuck key is electrical. The service table sends the technician to the display board and touch panel connections first, then the boards. That needs inspection.

Does F24 affect cooking?

It is rated low severity, but a key the control believes is pressed can block normal input. If the oven will not respond to other keys, call us.