Vaillant ECOTEC-PLUS-VCW-206 user manual

The recommended temperature setting for a Vaillant boiler is between 60°C and 65°C. However, the ideal temperature may depend on your specific model and your hot water needs. Always check your user's manual or consult with a professional for personalized advice.

There are several possible reasons why your Vaillant Ecotec Plus VCW 206 boiler won't fire up. Here are a few common issues to check:
1. Ensure that there is power supply to the boiler. Check the circuit breaker or fuse box to make sure that the boiler has power.
2. Check the thermostat settings. Make sure the thermostat is set to a temperature higher than the current room temperature.
3. Inspect the gas supply to the boiler. Check if the gas valve is open and that there is sufficient gas supply to the boiler. If you suspect a gas leak, contact a professional immediately and do not attempt to fix it yourself.
4. Check the water pressure. If the water pressure is too low, the boiler may not fire up. Ensure that the water pressure is within the recommended range (usually indicated on the pressure gauge) and adjust it if necessary.
5. Examine the condensate pipe. If the condensate pipe is frozen or blocked, it can prevent the boiler from firing up. Inspect the pipe and clear any obstructions if found.
6. Reset the boiler. Try resetting the boiler by turning it off and on again. Refer to the manufacturer's instructions for the correct reset procedure.
If none of these steps resolve the issue, it is recommended to contact a qualified heating engineer or the manufacturer's customer support for further assistance.