Error code reference

Thermador Cooktop Error Code W4

Over temperature in the user interface caused by hot utensil or high heat generation cookware near the user operating area.

SourceThermador CIT36XKB Cooktop - Service Manual: FSI Error Codes & Programsp. 5

Diagnostic procedure

The full W4 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Remove all objects from the touch screen. All cooking zones switch off to protect the system; when user interface cools down, zones can be switched on again.

SourceThermador CIT36XKB Cooktop - Service Manual: FSI Error Codes & Programsp. 5

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

1 manual in the MyPros+ library documents this code for Thermador cooktop.

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

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