Viessmann Error Code E4: The Viessmann Boiler’s E4 error code means that there is a problem with the burner. The burner is responsible for creating the flame that heats up the water in the boiler. This error occurs when the signal to start the burner’s flame is either too weak or completely missing. This can happen due to various reasons, such as a faulty sensor or a problem with the ignition system. When this error code appears, it indicates that the burner is not functioning properly and needs to be fixed or replaced to ensure the boiler can heat water effectively.
Viessmann Boiler – Error Code E4
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Viessmann Boiler – Error Code E4
Is your Viessmann boiler showing up with Error Code E4 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code E4 and whether you should keep using your Viessmann boiler.
What is a Viessmann Error Code E4?
The Viessmann Boiler’s E4 error code means that there is a problem with the burner. The burner is responsible for creating the flame that heats up the water in the boiler. This error occurs when the signal to start the burner’s flame is either too weak or completely missing. This can happen due to various reasons, such as a faulty sensor or a problem with the ignition system. When this error code appears, it indicates that the burner is not functioning properly and needs to be fixed or replaced to ensure the boiler can heat water effectively.
Recommended solution/fix steps
When encountering the E4 error code on a Viessmann Boiler, which indicates a burner error with a weak or missing flame signal, there are several steps to follow. Firstly, ensure that the gas supply is turned on and that the gas valve is fully open. Check for any obstructions or debris in the burner assembly and clean it if necessary. Inspect the ignition electrode and ensure it is clean and properly positioned. If the issue persists, reset the boiler by turning off the power for a few minutes and then turning it back on. If none of these steps resolve the problem, it is recommended to contact a qualified technician or the manufacturer’s customer support for further assistance.
Fault codes that are often associated with or mistaken for error code E4 are: E0, Ei, EZ, ES, EB, Eb, El, E5, E8, E6
Can I still use my Viessmann boiler?
After encountering Error Code E4 on a Viessmann Boiler, it indicates a burner error where the burner start flame signal is either too weak or missing. In such a situation, it is not advisable to continue operating the machine. The weak or absent flame signal could lead to inefficient combustion, potential damage to the boiler, or even hazardous situations like gas leaks. It is crucial to address this issue promptly by contacting a professional technician or the manufacturer’s customer support. They can provide guidance on troubleshooting steps or arrange for a service visit to rectify the burner error and ensure the safe and efficient operation of the Viessmann Boiler.
