Bosch washing machine: error E21F21
Code E21 / F21 on a Bosch washing machine display means: motor is stuck or tachometer fault.
- Meaning
- Motor is stuck or tachometer fault
- Check first
- Take out some of the laundry and start the program again.
- Repair shop
- 410–1000 zł
Most common causes
- Overloaded drum
- Worn motor brushes
- Damaged motor tachometer
What you can check yourself
Take out some of the laundry and start the program again.
Unplug the washing machine for 10 minutes.
With the washing machine off, check by hand that the drum turns freely.
If the error comes back, the motor, its wires or the module may be damaged. Report the code to a repair service.
- the error keeps coming back after these checks,
- water is leaking or you smell burning,
- the appliance trips the circuit breaker.
More detail in our guide: Washing machine won't turn on →
Is it worth repairing?
Pick your model and fault. We compare the repair cost with what the appliance is worth.
Open the calculator →Questions
What does error E21 mean on a Bosch washing machine?
Code E21 / F21 means: motor is stuck or tachometer fault. The most common causes: overloaded drum, worn motor brushes, damaged motor tachometer.
Can I keep using the washing machine with error E21?
If the error goes away after the checks above, yes. If it keeps coming back, water leaks, you smell burning or the breaker trips, stop using it and call a repair service.
Other codes: Bosch washing machine
- E16 / F16door is not closed properly
- E17 / F17water filling time exceeded
- E18 / F18water is not draining
- E19 / F19water heating time exceeded
- E23water in the washing machine base (Aquastop)
- E25 / F25water turbidity sensor fault
- E22 / F22temperature sensor fault
- E29 / F29no water flow in the inlet system
- E34 / F34the door lock did not lock
- E57inverter motor fault
- E67 / F67control module fault
A code can mean different things on different models and years. Always check the manual or the manufacturer's support page too. Repair prices are approximate, for repair shops in Poland.