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Intergas with Evohome via opentherm

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Hello,

I know that boiler may be cycling when the set point is close to be reached however something strange has happend with my set up yesterday.
Boiler was set to max 60C for CH

I've noticed that it started to be quite warm in the living yesterday mid day. I checked evohome and the temp on all trvs were 1c over set point, checked the setting and it appears that none of the zones were calling for heat.
All rads with hr92 were cold while other rads without hr92 were hot.
Went to check boiler and it was coming up for 55C CH water for a minute in cycles.

I took battery off evohome just to make sure it's not asking for the heat but the boiler was still cycling.

The only way of clearing the cycle was turning the boiler off the mains for 30seconds.

Has anyone experienced this issue?

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