VAILLANT ECOTEC PLUS 840 N.100 OUTDOOR TEMP SENSOR ERROR CODE (FIXED)

Hi Guys,

In this video I show you how to get rid of the N.100 Outdoor Temp Sensor Signal Interrupted Error message on a Vaillant boiler, this model is a Vaillant ecoTEC plus 840.

#vaillant #vaillantecotecplus