What to do if my Viessmann Vitodens 100-W Boiler starts a self-diagnostic check when turned on?
When the Viessmann Boiler is initially turned on, it starts a self-diagnostic check. Wait until the temperature display stabilizes and the boiler displays the actual temperature.
What to do if my Viessmann Boiler shows fault F4?
If your Viessmann Boiler displays fault code F4, there are several potential solutions: * Check the ignition module connection. * Check the gas train (control voltage 230 V) and the gas supply pressure. * Check the ionisation current, the electrode adjustment, and the gas line for air-locks.
What to do if my Viessmann Vitodens 100-W shows displayed fault code 52?
If your Viessmann Boiler is showing fault code 52, check the connections and lead to the flow sensor. If necessary, replace the sensor.
What does fault code 50 mean on my Viessmann Boiler?
If your Viessmann Boiler displays fault code 50, it indicates a short circuit in the cylinder temperature sensor. You should check the sensor.
How to fix fault F9 on a Viessmann Boiler?
To address fault F9 on your Viessmann Boiler, check the fan, the fan connecting cables, the power at the fan, and the fan control.
Why does my Viessmann Vitodens 100-W burner stop and restart quickly?
If your Viessmann Boiler burner stops below the set boiler water temperature and restarts immediately, check the flue system for tightness (flue gas recirculation) and the gas flow pressure.
What does fault code 51 mean on my Viessmann Vitodens 100-W Boiler?
If your Viessmann Boiler displays fault code 51, it means there is a short circuit in the outlet temperature sensor. Check the sensor.
What does fault code 30 mean on my Viessmann Boiler?
If your Viessmann Boiler displays fault code 30, it indicates a short circuit in the boiler water temperature sensor. Check the boiler water temperature sensor.
How to troubleshoot fault F4 on a Viessmann Boiler?
If your Viessmann Boiler is showing fault F4, check the ignition module connection.
What does fault code 38 mean on my Viessmann Vitodens 100-W Boiler?
If your Viessmann Boiler displays fault code 38, it indicates a lead break in the boiler water temperature sensor. Check the boiler water temperature sensor.
General| Type | Wall-mounted gas condensing boiler |
|---|---|
| Installation | Wall-mounted |
| Fuel Type | Natural gas or LPG |
| Heat Exchanger Material | Stainless steel |
| Efficiency | Up to 98% |
| Warranty | Up to 10 years (depending on installation and usage) |
| Control | Vitotronic control unit with LCD display |
| Dimensions | 700mm x 400mm x 350mm |
| Heating Output | 1.9 to 35 kW |
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