What to do if Viessmann Boiler displays fault code 38?
If your Viessmann Boiler displays fault code 38, it indicates a lead break in the boiler water temperature sensor. Check the boiler water temperature sensor.
What does Fault Code b0 mean on my Viessmann Vitodens 222-F?
If your Viessmann Boiler displays Fault Code b0, there is a short circuit in the flue gas temperature sensor. Check the flue gas temperature sensor.
How do I fix fault code 28 on my Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code 28, it indicates a lead break in the system flow temperature sensor. Check the low loss header sensor.
What does Fault Code Cd mean on my Viessmann Boiler?
If your Viessmann Boiler displays Fault Code Cd, there is a communication error with Vitocom 100 (KM BUS). Check connections, Vitocom 100 and coding address "95".
What does Fault Code dA mean on my Viessmann Vitodens 222-F Boiler?
If your Viessmann Boiler displays Fault Code dA, there is a short circuit in the room temperature sensor for heating circuit 1 (without mixer). Check the room temperature sensor for heating circuit 1.
What does Fault Code 30 mean on a Viessmann Boiler?
If your Viessmann Boiler shows Fault Code 30, it indicates a short circuit in the boiler water temperature sensor. You should check the boiler water temperature sensor.
What does fault code 40 mean on a Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code 40, it indicates a short circuit in the flow temperature sensor, heating circuit 2 (with mixer). Check flow temperature sensor.
What causes fault code A7 on a Viessmann Boiler?
If your Viessmann Boiler displays fault code A7, it means the programming unit is faulty. Replace programming unit.
What does fault code bA mean on Viessmann Boiler?
If your Viessmann Boiler displays fault code bA, it indicates a communication error with the extension kit for heating circuit 2 (with mixer). Check extension kit connections and code.
Why is my Viessmann Vitodens 222-F showing fault code bb?
If your Viessmann Boiler displays fault code bb, it indicates a communication error with the extension kit for heating circuit 3 (with mixer). Check extension kit connections and code.
General| Type | Gas Condensing Boiler |
|---|---|
| Model | Vitodens 222-F |
| Integrated DHW Storage Tank | Yes |
| Control | Vitotronic 200 |
| Fuel Type | Natural Gas or LPG |
| Heat Exchanger Material | Stainless Steel |
| Modulation Range | 1:10 |
| Max. Water Temperature | 85°C |
| Efficiency | Up to 98% |
| Tank Capacity | 130 liters |
| DHW Tank Capacity | 130 liters |
| Installation Type | Floor Standing |
| Water Pressure | Up to 3 bar |
| Noise Level | Dependent on model and operating conditions (typically around 40-50 dB(A)) |
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