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Error code reference

Thermador Range Error Code F210

Range exceeded safe test limits during service test mode.

Thermador codesThermador range codes
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What the F210 error code actually means

Your Thermador range ran a special diagnostic test used by repair technicians, and during that test it detected something operating outside of safe boundaries and shut the test down. This is not a normal cooking error but rather a signal that a component, such as a heating element or temperature sensor, may not be working correctly. A qualified technician should evaluate the range to identify which part caused the test to fail.

Diagnostic procedure

The full F210 procedure

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1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
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Most common causes of F210

Ranked by how often they cause this code
  1. 1Faulty oven temperature sensor
  2. 2Stuck or shorted relay on control board
  3. 3Wiring harness fault or short circuit
  4. 4Failed bake or broil element
  5. 5Control board malfunction

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Questions people ask about F210

What does F210 mean on a Thermador range?
F210 means the range exceeded its safe operating limits while running in service test mode. This diagnostic mode is used by technicians to check heating elements, sensors, and control circuits. The code indicates that one or more components produced a reading or output level beyond the safe test boundaries, prompting the unit to stop the test and display the fault.
Is it safe to use my Thermador range while F210 is displayed?
F210 is generated specifically within service test mode and may not immediately prevent normal cooking operation, but it does signal an underlying component issue that should not be ignored. Using the range with a known fault in a heating element, relay, or sensor could pose a safety risk over time. It is best to have the range inspected before continuing regular use.
How much does it cost to repair a Thermador range showing F210?
Repair costs depend on which component is responsible for the fault. Replacing an oven temperature sensor typically falls in the range of $100 to $250 including parts and labor. A control board replacement can range from $300 to $600 or more depending on the model. A service call to diagnose the issue alone generally costs between $80 and $150 before any parts are factored in.
Can I fix F210 on my Thermador range myself?
Some steps, such as inspecting wiring connections or testing the oven temperature sensor with a multimeter, can be performed by a knowledgeable DIYer. However, because this code is generated during service test mode and may point to control board or relay issues, most repairs will require a qualified technician to re-enter test mode, isolate the failing component, and safely replace it.
Will resetting the range clear the F210 error code?
Resetting the range by disconnecting power may temporarily clear the displayed code, but it will not resolve the underlying issue that caused the test to exceed safe limits. The fault is likely to reappear when service test mode is run again or if the faulty component affects normal operation. A proper diagnosis and repair are needed to permanently clear the condition.

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