What to do if the burner does not activate on my Viessmann VITOGAS 100?
If the burner on your Viessmann Boiler doesn't activate, try turning off the system power switch, waiting 5 minutes, and then turning it back on. Do not repeat this more than twice. If it still doesn't work, contact a heating contractor.
Why is the heating system not activating on my Viessmann VITOGAS 100?
If your Viessmann Boiler's heating system isn't activating, make sure the system power switch on the boiler control is activated and that the main power supply to the boiler and control is also activated. For issues beyond this, such as a blown breaker or fuse, deactivated safety temperature high limit, or a vent damper motor malfunction, contact a heating contractor.
How to reset Viessmann VITOGAS 100 Boiler after high limit safety cut out?
The excessive boiler water temperature might have activated the high limit safety cut out. To resolve this, wait until the boiler water temperature has dropped by approximately 20 K. Then, press the reset button on the control unit and wait about 17 minutes.
How to adjust room temperature on Viessmann VITOGAS 100?
If the room temperature is too cold or too hot during different periods of the year with your Viessmann Boiler, make appropriate adjustments to the heating curves. Consult the Operating Instructions of the Vitotronic control for guidance.
What to do if my Viessmann VITOGAS 100 will not start because no gas is available?
If your Viessmann Boiler won't start, and you suspect no gas is available, reset the system by turning the main ON/OFF switch on the control unit OFF and then ON again. If necessary, repeat this reset process to vent the gas supply pipe.
How to troubleshoot a Viessmann VITOGAS 100 that will not start due to no voltage?
If your Viessmann Boiler is not starting and you suspect a lack of voltage, check the fuse and the connections of the power supply cable.
What should I do if my Viessmann Boiler won't start and the power supply is incorrectly connected?
If your Viessmann Boiler isn't starting and you think the power supply is incorrectly connected, interchange the "L1" and "N" cores of the power supply cable.
What to do if Viessmann Boiler will not start because strapping plug aNS is missing?
If your Viessmann Boiler doesn't start because the strapping plug aNS is missing at the burner control unit, fit strapping plug aNS.
What to do if Viessmann Boiler will not start because strapping plug aYA is missing?
If your Viessmann Boiler doesn't start because the strapping plug aYA is missing at the burner control unit, fit strapping plug aYA.
What to do if Viessmann Boiler will not start due to excessive boiler water temperature?
If your Viessmann Boiler won't start due to excessive boiler water temperature, wait until the boiler water temperature has dropped by approximately 20 K. Then, press the reset button on the control unit.
General| Type | Condensing Boiler |
|---|---|
| Fuel Type | Natural gas |
| Efficiency | Up to 98% |
| Modulation Range | 1:6 |
| Warranty | 2 years |
To Next Page
