Vaillant EcoTEC Pro / EcoTEC Plus Error Codes ( Fault Codes )

Vaillant EcoTEC Pro / EcoTEC Plus Error Codes Listed below are the most common error codes that you might see on your Vaillant EcoTEC Pro boiler. Fault Code Possible Cause F.00 / F.0 Flow temperature sensor interruption F.01 / F.1 Return temperature sensor interruption F.10 Flow NTC short circuit F.11 Return NTC short circuit F.20 …

Vaillant EcoTEC Pro / EcoTEC Plus Error Codes ( Fault Codes ) Read More »