Siemens fridge: error E20E21
Code E20 / E21 on a Siemens fridge display means: no communication between the control module and the display or dispenser.
- Meaning
- No communication between the control module and the display or dispenser
- Check first
- Check that nothing blocks the fan in the compartment and that the doors close tightly.
- Repair shop
- 270–750 zł
Most common causes
- Loose connection
- Module fault
What you can check yourself
Unplug the fridge for 10 minutes and plug it back in.
Check that nothing blocks the fan in the compartment and that the doors close tightly.
If the code comes back, the sensor or module needs repair. You cannot fix this yourself.
- the error keeps coming back after these checks,
- water is leaking or you smell burning,
- the appliance trips the circuit breaker.
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 E20 mean on a Siemens fridge?
Code E20 / E21 means: no communication between the control module and the display or dispenser. The most common causes: loose connection, module fault.
Can I keep using the fridge with error E20?
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 fridge
- E01 / E1fridge compartment temperature sensor fault
- E02 / E2freezer temperature sensor fault
- E10 / E11main board or display module fault
- E15ambient temperature sensor fault
- Alarm drzwi / Door open / Sygnał dźwiękowy drzwiopen door alarm
- Alarm temperatury / Temp alarmtoo high compartment temperature alarm
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.