Thermador Wall Oven E14 on CT/CMT Ovens with Dreefs Control: Loose Latch Switch

What E14 means

When E14 appears on a legacy Thermador CT or CMT oven with a Dreefs control, the latch switch is the suspect. The second page of the service document describes it as loose and says to check the latch for proper operation. Heat is switched off on the failed oven, and the source does not tell you to expect the message to clear on its own, so inspection is the sensible next step.

Usual causes of E14

Loose latch switch
Latch assembly not seating or operating properly
Intermittent contact in the latch wiring (a technician check)

✓ A safe check worth trying

1. Set the selector to OFF and nudge it counterclockwise to end the alert. 2. Make sure the oven has cooled, then close the door normally without slamming it. 3. Try a short bake only if the oven responds. 4. If E14 returns, switch the oven off at the breaker and call us.

! Why you should stop here

A loose switch can pass a quick test and fail mid-cycle
Tightening or replacing the latch needs the door area opened
Legacy latches are confirmed by model number, and our quote comes in writing first

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

F25Thermador Legacy C/CM/CJ Oven Displays F25: Several Touch Keys Stuck at Once F64F64 on an Older Thermador Wall Oven (C/CM-Series): Lower Cooling Fan Air Switch Not Detected FFFF on an Older Thermador Wall Oven (SC, SCD, SM, SMW): Bad Analog/Digital Converter F30Thermador C-Series Upper Oven, Sensor Shorted: F30 on C271 to CJ302 Models F70Thermador Wall Oven F70 in the Legacy C/CM Family: Lower Meat Probe Shorted F-Thermador Wall Oven F- in the Legacy SC/SM Family: Main Board Communication Error 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

E14E14 questions

Could slamming the door cause E14?

Hard closing might shift a loose switch, but the source simply calls it a loose latch switch. Close the door gently, and mention any rattling or a door that feels different when you call.

Is E14 serious?

The oven loses heat on the affected side, so cooking is affected. It is not described as a runaway or overheating code, but we still suggest an inspection before using the oven normally.

What will you check on a visit?

We check the latch for proper operation, as the document says, then test its switches and wiring. You get a written price before we replace or tighten anything.