Error code
Thermador oven error code E124
Thermador error code E124: the door switch is in a state the control cannot make sense of — neither properly open nor properly closed — E124 for the upper cavity, E224 for the lower one. What the code covers, what to check first, and what it does not tell you — on wall ovens & steam ovens.
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What we can confirm
Code E124, from the manufacturer's own documentation
A code is only meaningful together with the generation showing it — the same two digits mean different things across generations.
The code
E124
The door switch is in a state the control cannot make sense of — neither properly open nor properly closed — E124 for the upper cavity, E224 for the lower one
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What it narrows down to
Door switch undefined
What you are probably seeing
Diagnostic
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What it looks like from the kitchen
The symptom this code usually arrives with
A code names the subsystem; the symptom is what sent you to look at the display in the first place. That page says what it usually turns out to be, cheapest cause first.
-
Do not force it Oven door locked shut
A self-clean cycle that has finished and a door that will not open. The latch releases on temperature rather than on a timer, and forcing a professional door turns a small repair into a large one.
- Door locked after a clean cycle
- Self-clean that will not start at all
- A latch code in the hundreds
In more detail
About Thermador oven error code E124
What this one means
The door switch is in a state the control cannot make sense of — neither properly open nor properly closed — E124 for the upper cavity, E224 for the lower one. It is a code the manufacturer publishes for this appliance, not one we have worked out — and it is decoded here rather than left as three characters on a display.
The other ways your machine may say it
The two labels are the two cavities of a double or triple oven, not two ages of machine — E1xx is the upper cavity and E2xx the lower, and the number tells you which one to look at:
- E124, E224
- Three LEDs on the panel blinking out the digits 1, 2 and 4 — how a model with no digital display says it. On that machine, the lights are the code
What the code covers
A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:
- The door switch
- A door that is not closing squarely on its hinges
- The harness to the control module
What to try yourself
- Close the door firmly and watch the oven light — it should go out
- Look along the seal for a gap at one corner, which usually means a hinge rather than a switch
Then what
The interior light is the free test here: a light that stays on with the door shut is a switch the control also cannot read. Hinges sag on heavy Professional doors, and that is a different repair from the switch.
This code is published for wall ovens & steam ovens. The full list of codes has the rest of them, searchable, including the labels older and newer machines use for the same conditions.
This article is based on:
- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards