Viessmann D6 Error !link!

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

Any work involving the gas supply or internal electrical wiring must be carried out by a Gas Safe registered engineer . Viessmann Fault Code Checker viessmann d6 error

While the exact trigger can vary by model, common culprits for a D6 fault include: Low Water Flow: Tools needed: Torx T20, fine sandpaper or steel