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How to fix fault code CF on Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code CF, it indicates a communication error with the LON communication module. Replace the LON communication module.
What does fault code CE mean on my Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code CE, it indicates a communication error with ext. extension. Check electrical connections.
What does fault code Cd mean on Viessmann Boiler?
If your Viessmann Boiler displays fault code Cd, it indicates a communication error with Vitocom 100 (KM BUS). Check connections, Vitocom 100 and coding address "95".
Why is my Viessmann Vitodens 222-F Boiler showing fault code C8?
If your Viessmann Boiler displays fault code C8, it indicates a communication error with the external variable speed heating circuit pump, heating circuit 3 (with mixer). Check setting of coding address "E5".
How to resolve fault code C7 on a Viessmann Vitodens 222-F Boiler?
If your Viessmann Boiler displays fault code C7, it indicates a communication error with the external variable speed heating circuit pump, heating circuit 1 (without mixer). Check setting of coding address "E5".
What should I do if my Viessmann Vitodens 222-F shows fault code C6?
If your Viessmann Boiler displays fault code C6, it indicates a communication error with the external variable speed heating circuit pump, heating circuit 2 (with mixer). Check setting of coding address "E5".
What does fault code C5 mean on a Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code C5, it indicates a communication error with the variable speed internal pump. Check the setting of coding address "30".
How do I fix fault code C4 on my Viessmann Vitodens 222-F Boiler?
If your Viessmann Boiler displays fault code C4, it indicates a communication error with the Open Therm extension. Check Open Therm extension.
What causes fault code C3 on a Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code C3, it indicates an Extension AM1 communication error. Check electrical connections.
How to troubleshoot fault code C1 on a Viessmann Boiler?
If your Viessmann Boiler displays fault code C1, it indicates a communication error with extension EA1. Check electrical connections.
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)) |
