To Next PageTo Next PageWhat does fault F3 mean on Viessmann B0KA?
If your Viessmann Boiler displays fault code F3, indicating that a flame signal is already present at burner start, you should check the ionisation electrode and connecting cable.
What causes fault FF on Viessmann B0KA?
If your Viessmann Boiler displays fault code FF, which indicates a fault in the burner control unit, you should check the ignition electrodes and connecting cables.
How to fix fault F0 on Viessmann B0KA Boiler?
If your Viessmann Boiler displays fault code F0, which indicates an internal fault, you should replace the control unit.
What causes fault code F4 on a Viessmann Boiler?
If your Viessmann Boiler displays fault code F4 and there's no flame signal, you should inspect the ignition/ionisation electrode and its connecting cables. Also, verify the gas pressure, gas train, ignition components, ignition module, and ensure the condensate drain is clear.
How to troubleshoot fault b8 on Viessmann B0KA?
If your Viessmann Boiler displays fault code b8, which indicates a lead break in the flue gas temperature sensor, you should check the sensor.
What does fault b0 mean on a Viessmann Boiler?
If your Viessmann Boiler displays fault code b0, indicating a short circuit in the flue gas temperature sensor, you should check the sensor.
What causes fault A9 on Viessmann B0KA?
If your Viessmann Boiler displays fault code A9, which indicates a communication error with the OpenTherm device, you should check the connections and lead. If required, replace the OpenTherm device.
How to resolve fault 52 on Viessmann Boiler?
If your Viessmann Boiler displays fault code 52, which indicates a short circuit in the flow sensor, you should check the connections and lead. If necessary, replace the sensor.
What to do if Viessmann B0KA shows fault 51?
If your Viessmann Boiler shows fault code 51, caused by a short circuit or lead break in the outlet temperature sensor, you should check the sensor.
What does fault 30 mean on Viessmann Boiler?
If your Viessmann Boiler shows fault code 30, caused by a short circuit or lead break in the boiler water temperature sensor, you should check the boiler water temperature sensor.
General| Model | B0KA |
|---|---|
| Category | Boiler |
| Modulation | Up to 1:6 |
| Fuel Type | Natural Gas |
| Efficiency | Up to 98% AFUE |
