Viessmann D6 Error __hot__ -

– they involve dismantling the combustion chamber and working with live gas.

Tools needed: Torx T20, fine sandpaper or steel wool, multimeter with microamps. viessmann d6 error

The D6 error is frequently caused by water ingress in the cable or a screw piercing the wire behind a wall. Replacing the low-voltage cable between the boiler and the sensor usually solves the communication break. – they involve dismantling the combustion chamber and