mypros+
Error code reference

Bosch Range Error Code F11

Shorted/stuck keypad

Bosch codesBosch range codes

Shorted/stuck keypad - control module detects a stuck or shorted keypad switch; can be triggered by holding down any control keypad for more than 30 seconds.

First step from the service manual

Disconnect power, wait 30 seconds and reapply power. If fault returns upon power-up, replace control module.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for F11.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F11 means on a Bosch range

The F11 error code on a Bosch range indicates that the control module has detected a shorted or stuck keypad switch. The control board continuously monitors each key position on the touchpad assembly, and when any single key registers as continuously active for more than 30 seconds, the module interprets this as a fault condition and triggers F11. This is a protective response designed to prevent unintended operation caused by a malfunctioning input device.

The most common root cause is a failure within the keypad membrane itself. Over time, the conductive layers inside a membrane-style touchpad can degrade, crack, or develop internal shorts due to heat exposure, moisture intrusion, or simple wear. When this happens, a switch circuit remains closed even without user input. Spilled liquids that seep beneath the keypad surface are a frequent contributor, as residue can bridge the conductive contacts and simulate a held keypress.

If a power reset clears the fault temporarily but it returns after a short time, this points strongly to a hardware failure in the keypad or its ribbon cable connection to the control board. If the fault returns immediately upon power-up before any keys are pressed, the control module itself may be the source of the problem. Bosch's diagnostic guidance directs technicians to replace the control module if the fault persists after the initial reset procedure, since the keypad and control functions are often integrated or closely coupled in this platform.

Source: manufacturer service documentation.

Common causes of F11

  1. 01

    Failed or worn keypad membrane

    Part replacement

    The conductive layers inside the touchpad membrane can crack or short internally over time, causing one or more key circuits to register as continuously active. This is the most frequent cause of F11 and typically requires keypad replacement.

  2. 02

    Liquid or debris under the keypad

    Wiring / connection

    Spills or condensation that seep beneath the keypad surface can leave conductive residue that bridges key contacts and simulates a stuck button. Inspect the keypad surface for signs of staining, warping, or sticky response.

  3. 03

    Damaged or loose ribbon cable connection

    Wiring / connection

    The ribbon cable connecting the keypad to the control board can become partially disconnected or develop a pinched trace, causing erratic or continuous key signals. Inspect the cable and its connectors for visible damage or improper seating.

  4. 04

    Faulty control module

    Part replacement

    If the fault code returns immediately after a power reset and before any keys are pressed, the control module itself may be misreading key input states due to an internal component failure. Replacement of the control module is the recommended corrective action in this scenario.

  5. 05

    Unintentional key held during operation

    Wiring / connection

    The F11 code can be triggered without any hardware failure if a user or object physically holds down any keypad button for more than 30 consecutive seconds. Confirm this is not the cause before beginning component-level diagnosis.

See the test procedure for each cause

Frequently asked questions about F11

What does F11 mean on a Bosch range?
F11 on a Bosch range means the control module has detected a stuck or shorted keypad switch. The board monitors all key inputs continuously, and if any single key registers as held down for more than 30 seconds, it triggers this fault code. The cause can be a worn keypad membrane, a liquid spill under the panel, or an internal control board failure.
Will resetting the range clear the F11 error?
A power reset will sometimes clear F11 temporarily. Disconnect the range from power, wait at least 30 seconds, then reapply power. If the fault does not return, monitor the appliance for recurring issues. If F11 comes back immediately after the reset, there is an underlying hardware problem that requires component repair or replacement.
How do I fix an F11 error on my Bosch range?
Start by disconnecting power for 30 seconds and restoring it to see if the fault clears. If it returns, inspect the keypad for signs of liquid damage or physical damage to the surface. If the keypad or its ribbon cable connection appears damaged, those components should be replaced. If no keypad issue is found and the fault persists, the control module is the next component to replace.
Is it safe to use my Bosch range when F11 is displayed?
A stuck keypad fault can potentially cause unintended activation of controls, so continued use is not advisable until the fault is resolved. Disconnect the range from power until the source of the fault is identified and corrected. Do not leave the appliance unattended while the fault code is active.
How much does it cost to repair an F11 error on a Bosch range?
Repair costs vary depending on the failed component. A replacement keypad membrane or touchpad assembly typically runs between $50 and $150 for the part alone. A control module replacement tends to be more expensive, with parts generally ranging from $150 to $400 or more. Adding professional labor costs, the total repair can range from $150 to $500 depending on your location and the specific components required.

Related Bosch range codes

All Bosch range codes
View all 72 Bosch range codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass