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Discuss Ferroli fault every Sunday in the Central Heating Forum area at PlumbersForums.net

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Hey there. We have a Ferroli boiler in our commercial premises. It is set on a schedule for 9-5 Friday and a few hours on Saturday and Sunday mornings.

Every Sunday morning we come into an error code of A01. I know what the code means but what I wanted help with is why does it happen on the same day every week?
 
Have you tried leaving it on longer over the weekend? A01 is gas valve, and them gas valves don't like it if they get particularly cold. All I can imagine is that with the little/shorter use over the weekend it cuts out as it cools down.

Also have you had it regularly serviced?
 

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