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Vokera excel 80 sp boiler. In CH mode, the boiler fires up and then off for a 3 minute idle interval, but the fan is not slow running during the 3 minute idle interval, so the boiler is very hot. I can see the pin is not extracting, still pressing on the system flow switch unless turn off the...

Hi I have a Vokera Excell 80SP boiler. The pilot was off two days ago ( the boiler had been working well since it was repaired just over a year ago, which costed me a few hundreds quids). I relighted the pilot, and it seemed working again when I tuned on hot water and central heating, but it...