Siemens induction hob: error U2U3
Code U2 / U3 on a Siemens induction hob display means: the heating element overheated.
- Meaning
- The heating element overheated
- Check first
- Check that there is free space for air under the hob (for example, an overfilled drawer).
- Repair shop
- 340–820 zł
Most common causes
- Overheated cookware
- No ventilation
What you can check yourself
Turn off the hob and remove the cookware. Wait for it to cool down.
Check that there is free space for air under the hob (for example, an overfilled drawer).
Use pots with a flat, magnetic base.
Switch the hob power off at the circuit breaker for 30 seconds and turn it on again.
- 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: Induction hob not working →
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What does error U2 mean on a Siemens induction hob?
Code U2 / U3 means: the heating element overheated. The most common causes: overheated cookware, no ventilation.
Can I keep using the induction hob with error U2?
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: Siemens induction hob
- F1 / F6the hob zone overheated and switched off
- F2 / F4 / E7015electronics overheated, hob zone switched off
- U400 / E9000 / E9010 / U1incorrect supply voltage
- F5hot cookware near the control panel
- dEdemo mode is on
- F8automatic shutdown after the zone ran too long
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.