To Next PageTo Next PageWhat does fault code 18 mean on my Viessmann WB1A007 Boiler?
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 WB1A007 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 Boiler?
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 WB1A007 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 WB1A007 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.
What to do if the fan in my Viessmann WB1A007 starts no after approx. 51 s?
If the fan in your Viessmann Boiler does not start after approximately 51 seconds, check the following: 1. The fan itself. 2. The fan connecting cables. 3. Power at the fan. 4. Fan control.
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 WB1A007 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 WB1A007 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 WB1A007 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.
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