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iramirezSep 3, 2025
What does fault code E0 mean on a Viessmann Boiler?
- JJake WangSep 3, 2025
If your Viessmann Boiler displays fault code E0, it indicates a fault with an external LON subscriber. Check connections and LON subscribers.
What does fault code E0 mean on a Viessmann Boiler?
If your Viessmann Boiler displays fault code E0, it indicates a fault with an external LON subscriber. Check connections and LON subscribers.
What should I do if my Viessmann Boiler shows fault code dF?
If your Viessmann Boiler displays fault code dF, it indicates a lead break in the room temperature sensor, heating circuit 3 (with mixer). Check room temperature sensor for heating circuit 3 and remote control settings.
What does fault code dE mean on Viessmann Vitodens 222-F Boiler?
If your Viessmann Boiler displays fault code dE, it indicates a lead break in the room temperature sensor, heating circuit 2 (with mixer). Check room temperature sensor for heating circuit 2 and remote control settings.
Why is my Viessmann Vitodens 222-F Boiler displaying fault code dd?
If your Viessmann Boiler displays fault code dd, it indicates a lead break in the room temperature sensor, heating circuit 1 (without mixer). Check room temperature sensor for heating circuit 1 and remote control settings.
How to troubleshoot fault code dC on a Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code dC, it indicates a short circuit in the room temperature sensor, heating circuit 3 (with mixer). Check room temperature sensor, heating circuit 3.
What does fault code db mean on a Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code db, it indicates a short circuit in the room temperature sensor, heating circuit 2 (with mixer). Check room temperature sensor, heating circuit 2.
What should I do if my Viessmann Vitodens 222-F shows fault code dA?
If your Viessmann Boiler displays fault code dA, it indicates a short circuit in the room temperature sensor, heating circuit 1 (without mixer). Check room temperature sensor, heating circuit 1.
How to resolve fault code d8 on a Viessmann Vitodens 222-F Boiler?
If your Viessmann Boiler displays fault code d8, it means Input DE3 reports a fault at extension EA1. Remove fault at the appliance concerned.
What does fault code d7 mean on my Viessmann Vitodens 222-F?
If your Viessmann Boiler displays fault code d7, it means Input DE2 reports a fault at extension EA1. Remove fault at the appliance concerned.
What to do if the red fault indicator A flashes on a Viessmann Vitodens 222-F Boiler?
When the red fault indicator A flashes, check the programming unit display for a 2-digit fault code along with flashing symbols " " or " ". This display provides more specific information about the nature of the fault.
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)) |
