What to do if Viessmann Control Unit shows sensor short circuit?
To troubleshoot a sensor short circuit in your Viessmann Control Unit, disconnect the sensor and measure its resistance. Then, compare the measurement with the actual temperature. If there's a significant difference, inspect the installation and consider replacing the sensor.
General| Brand | Viessmann |
|---|---|
| Model | VITOSOLIC 100 |
| Category | Control Unit |
| Language | English |
General advice to follow safety instructions to prevent accidents and material losses.
Explains the meaning of danger, note, and please note symbols used in the manual.
Defines the intended users of the operating instructions, including children and those with reduced faculties.
Details requirements for appliance connection and work, emphasizing authorized contractors and no modifications.
Outlines dangers of fire and necessary actions like switching off the system and using appropriate fire extinguishers.
Advises using tested components and having installation work done by qualified contractors.
Explains that commissioning and user instruction must be performed by a heating contractor.
Explains the function of control buttons (OK, Symbols line, Cursor keys) and navigation keys.
Describes the symbols that appear on the display and their context-dependent nature.
Details the meaning of various symbols displayed on the control unit for system status and faults.
Details how to scan and view various system parameters like temperatures, speeds, and heat amounts.
Explains the procedure to reset the hours run and amount of heat counters using the control panel.
Lists potential causes and remedies for the solar thermal system not starting.
Provides causes and remedies for situations where domestic hot water is not being heated.
Explains how to diagnose and remedy issues when the control unit display is flashing, often due to sensor faults.
Details maintenance schedules and procedures for the DHW cylinder, safety valve, and potable water filter.
Instructs on the replacement of damaged cables or lines using only Viessmann approved parts.
Provides contact details for Viessmann Werke GmbH & Co KG and Viessmann Limited for inquiries.
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