Error code
Thermador cooktop error code E8204
Thermador error code E8204: the wireless cooking sensor is nearly out of battery. What the code covers, what to check first, and what it does not tell you — on cooktops & rangetops.
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What we can confirm
Code E8204, 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
E8204
The wireless cooking sensor is nearly out of battery
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What it narrows down to
Sensor battery low
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.
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Test it with a magnet Induction will not recognize the pan
A zone that beeps and switches off, or never starts, with a pan sitting on it. A magnet settles this in two seconds and no repair will change the answer.
- Zone beeps and shuts off with a pan on it
- Some pans work and others do not
- A wireless probe reporting instead of the cooktop
In more detail
About Thermador cooktop error code E8204
What this one means
The wireless cooking sensor is nearly out of battery. 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.
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 sensor's battery
What to try yourself
- Change the battery in the sensor
Then what
The cooktop is fine. The probe is a separate device with its own power.
This code is published for cooktops & rangetops. 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