nl en de
Select your language

Select country

Errors


Boiler type UFT-100W

Error code Er20

Cause:

Condensate – Closed is Normal, Open is Fault (Condensate Drain Trap)

Solution:

Press the Power button to clear the Error Code.

- Check Condensate and main controller connections. Ensure all are secure.
- Check Condensate sensor resistance. If resistance is zero, replace the switch.
- Check Condensate hose. Ensure it is connected and in good condition.
- Check condensate line and termination for blockages.
- Check exhaust vent for blockages.
- If the problem persists, replace the main control.