Viessmann Error Code E3: The Viessmann Boiler’s Error Code E3 means that there is a problem with the burner. The burner is in fault mode, which means it is not working properly. This happens when the flow of heating water is too low during the calibration process. The flow switch detects this issue and causes the boiler to shut down. This error code indicates that there is a problem with the water flow, which needs to be addressed in order to fix the burner and get the boiler working again.
Viessmann Boiler – Error Code E3
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Viessmann Boiler – Error Code E3
Is your Viessmann boiler showing up with Error Code E3 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code E3 and whether you should keep using your Viessmann boiler.
What is a Viessmann Error Code E3?
The Viessmann Boiler’s Error Code E3 means that there is a problem with the burner. The burner is in fault mode, which means it is not working properly. This happens when the flow of heating water is too low during the calibration process. The flow switch detects this issue and causes the boiler to shut down. This error code indicates that there is a problem with the water flow, which needs to be addressed in order to fix the burner and get the boiler working again.
Recommended solution/fix steps
When you encounter the E3 error code on your Viessmann Boiler, it indicates that the burner is in fault mode. This occurs when the heating water flow rate is too low during calibration, causing the flow switch to trigger a shutdown. To resolve this issue, follow these steps:
1. Check the water flow: Ensure that the water flow rate is sufficient for proper calibration. Inspect the water supply valves and make sure they are fully open.
2. Clean the flow switch: The flow switch may be obstructed or dirty, causing it to malfunction. Clean the flow switch carefully, removing any debris or buildup that may be affecting its operation.
3. Inspect the pump: Check the pump for any signs of damage or blockage. Ensure that it is functioning correctly and providing adequate water flow.
4. Reset the boiler: After performing the necessary checks and cleaning, reset the boiler by turning off the power for a few minutes and then turning it back on.
If the error persists after following.
Fault codes that are often associated with or mistaken for error code E3 are: E3, E0, Ei, EZ, ES, EB, Eb, El, E5, E6
Can I still use my Viessmann boiler?
After encountering Error Code E3 on a Viessmann Boiler, the machine cannot be operated until the issue is resolved. This error indicates that the burner is in fault mode due to a low heating water flow rate during calibration. The flow switch has caused a shutdown as a safety measure. To ensure proper functioning and prevent any potential damage, it is necessary to address the underlying problem causing the low flow rate. Once the issue is rectified, the machine can be operated again without any concerns. However, it is crucial to consult a professional technician or the manufacturer’s guidelines to accurately diagnose and fix the problem to avoid any further complications.
