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Is it possible someone to attach the programmer, make the configurations with the timer and then detach it again?

When is not working the "Heating mode" icon (radiator) is flashing which according to the manual means - Anti cycling mode active. The flame icon does not appear at all. And if I check the information button (i) to display the status of the boiler, sometimes shows the code S.7 - Pump overrun...

There is no other programmer (timer). I assumed that I could regulate the operating times from the main board on the boiler as shown in the picture. If this is not the case how the boiler is programmed to work only specific hours every day? Is there any other configuration I can make with the...

The type of the boiler is the regular one, no extra programmer on it. The separate thermostat to adjust the temperature is a Honeywell model. Please check the photos attached.

Hello, I have a Vaillant ecotec plus 428 boiler. The central heating is programmed to work between 5pm to 9am. How can I set the timer in different hours? Thank you