What to do if my Viessmann Vitotron 100 does not heat?
If your Viessmann Boiler does not heat, it could be due to a failure of the cylinder temperature sensor or the control panel. Contact an authorized service person for replacement of the cylinder temperature sensor or thermostat, or if there is a failure of the control panel.
General| Heat Exchanger Material | Stainless Steel |
|---|---|
| Fuel Type | Natural Gas or Propane |
| Control System | Vitotronic Control Unit |
| Weight | Approx. 42 kg |
| Water Pressure | Max. 3 bar |
| Max Water Temperature | 85°C |
| Type | Condensing Boiler |
Explains the meaning of "Danger" and "Caution" symbols in the manual.
Details requirements for connecting and commissioning the appliance by authorized contractors.
Outlines safe practices, prohibitions, and handling system faults.
Explains symbols used in the manual and defines the appliance's intended use.
Details commissioning process and provides energy saving tips.
Introduces the VMN3 control panel, its display, and rotary switch.
Details information shown on the main display, including status and program icons.
Covers settings for boiler parameters, heating programs, buffer, DHW, and circulation.
Explains editing daily schedules, Turbo/frost protection, and heating curve selection.
Introduces the VLN3 control panel, its display, and rotary switch.
Details information shown on the main display, including status and program icons.
Covers settings for boiler parameters, DHW programs, circulation, and pasteurisation.
Explains editing daily schedules for DHW and selecting operating modes.
Addresses issues with rooms temperature, DHW availability/temperature, and system faults.
Explains how to address a "Fault" message on the display.
Defines technical terms and provides guidance on disposal of packaging and system.
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