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Error code reference

Thermador Range Error Code F25

Multiple touch input keys stuck / Keys stuck (Sago control).

Thermador codesThermador range codes
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What the F25 error code actually means

The F25 code means your Thermador range has detected that several buttons on the touch control panel appear to be stuck or pressed at the same time, which is not a normal condition. This usually points to a problem with the touch panel itself or the circuit board that reads the button inputs. The range will not operate normally until this fault is cleared and the underlying cause is corrected.

Diagnostic procedure

The full F25 procedure

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1
First diagnostic step
Check all connections between the control display PCB and the touch panel. Replace control display PCB, if persists replace touch panel.
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Most common causes of F25

Ranked by how often they cause this code
  1. 1Loose or damaged ribbon cable connection
  2. 2Moisture or contamination under the touch panel
  3. 3Failed control display PCB
  4. 4Worn or failed touch panel assembly
  5. 5Physical debris or pressure on the panel surface

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Questions people ask about F25

What does F25 mean on a Thermador range?
The F25 error code on a Thermador range indicates that multiple touch input keys on the control panel are detected as stuck or continuously activated by the Sago control system. This prevents the range from accepting normal commands until the fault is resolved. The issue can originate from a faulty connection between the control display PCB and the touch panel, a failed PCB, or a damaged touch panel assembly.
Is it safe to use my Thermador range while the F25 error is showing?
It is not advisable to continue using the range while the F25 fault is active. Stuck or falsely activated input keys can cause unintended commands to be sent to the control system, which creates unpredictable operating behavior. Discontinue use and address the fault before resuming cooking.
How much does it cost to repair a Thermador range F25 error?
Repair costs vary depending on which component requires replacement. If only reseating connections resolves the issue, the cost is minimal and may only involve a service call fee, typically in the range of $75 to $150. Replacing the control display PCB generally costs between $150 and $400 in parts, and a touch panel assembly can range from $100 to $350, with labor added on top if a technician performs the work.
Can I fix the F25 error myself, or do I need a technician?
A knowledgeable DIYer can start by power cycling the range and inspecting the ribbon cable connections between the touch panel and the control display PCB, as a loose connection is the most common cause. If the error persists after reseating all connections and cleaning the panel surface, replacing the control display PCB or touch panel typically requires some comfort with disassembly and working around electronic components. If you are not confident handling these steps, a qualified appliance repair technician is recommended.
Will resetting the range clear the F25 error code?
A power reset by disconnecting the range from its power source for several minutes may temporarily clear the F25 code, but the error will return if the underlying cause is not corrected. A loose connection that is intermittent might not trigger the fault immediately after a reset, giving the impression it is resolved. Thorough inspection of the touch panel connections and components is necessary for a permanent fix.

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