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What does fault code 18 mean on my Viessmann Vitodens 100-W?
If your Viessmann Boiler displays fault code 18, it indicates a lead break in the outside temperature sensor. Check the outside temperature sensor and lead.
What does Fault code 30 mean on a Viessmann Boiler?
If your Viessmann Boiler displays Fault code 30, this indicates a short circuit in the boiler water temperature sensor. You should check the boiler water temperature sensor.
What does fault code 10 mean on my Viessmann Vitodens 100-W?
If your Viessmann Boiler displays fault code 10, it indicates a short circuit in the outside temperature sensor. Check the outside temperature sensor and lead.
What does Fault code 18 mean on a Viessmann Vitodens 100-W Boiler?
If your Viessmann Boiler displays Fault code 18, it indicates a break in the outside temperature sensor. Check the outside temperature sensor and its lead.
What does Fault code 10 mean on a Viessmann Boiler?
If your Viessmann Boiler shows Fault code 10, it means there is a short circuit in the outside temperature sensor. Check the outside temperature sensor and its lead.
How to solve control unit issues with no increase set value in Viessmann Vitodens 100-W Boiler?
If the control unit of your Viessmann Boiler is not increasing the set value, increase the set value and ensure heat is being drawn off.
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.
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.
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 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.
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 |
