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Error code reference
Bosch Range Error Code F153
User interface too hot
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What the F153 error code actually means
The F153 error means the electronic control panel on your Bosch range has gotten too hot and the range has shut itself down to prevent damage. This is a safety feature, not a cooking problem. The range detected that the panel registering your button presses and displaying settings was overheating, so it stopped operation to protect itself.
Diagnostic procedure
The full F153 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.
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1
First diagnostic step
FSR: confirm that oven vent is not exhausting behind panel to control. SIR: verify proper exhaust air flow from cavity and fan.
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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Most common causes of F153
Ranked by how often they cause this code
- 1Failed or obstructed control panel cooling fan
- 2Faulty user interface board generating internal heat
- 3Blocked or restricted ventilation around the control panel
- 4Oven temperature runaway heating the control area
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Questions people ask about F153
What does F153 mean on a Bosch range?
F153 means the user interface board has reached a temperature above the safe operating limit. The range detected this through its internal thermal monitoring and triggered the fault to prevent permanent damage to the control electronics. The root cause can be a failed cooling fan, restricted ventilation, a faulty interface board, or heat migrating from an overheating oven cavity.
How do I fix F153 on a Bosch range?
Start by powering the range off at the breaker for 10 to 15 minutes to let the board cool, then inspect the ventilation slots around the control panel for blockages or grease buildup and clean them if needed. Check that nothing is stored directly against the range restricting airflow. If the error returns after reset, the cooling fan or the user interface board itself likely needs replacement, which requires disassembly of the control panel area.
Will the F153 code clear on its own after the range cools down?
The fault may clear after the range is powered off and the user interface board temperature drops back to a normal level. However, if the underlying cause such as a failed cooling fan or a failing interface board is not addressed, F153 will return once the range is in use again and the board reheats. A temporary clearance after cooling is a diagnostic clue, not a fix.
Is it safe to use my Bosch range with the F153 error code active?
No, you should not continue using the range while F153 is active. The fault indicates the user interface board is overheating, which can lead to permanent board failure or, in a worst-case scenario involving heat sources near electronics, a safety hazard. Power off the range at the breaker and leave it off until the cause is diagnosed and resolved.
How much does it cost to fix the F153 error on a Bosch range?
If the fix is simply clearing a ventilation blockage, the cost is nothing beyond your time. A replacement cooling fan typically runs $40 to $100 in parts, and a new user interface board for a Bosch range generally costs $150 to $350 depending on the model. Add $100 to $200 for a technician's labor if you are not doing the repair yourself. If the fault stems from an oven control board causing temperature runaway, that board adds another $100 to $250 in parts.
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