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How do i deactivate siren on lp1-4000?

how do i deactivate siren on lp1-4000
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Ferroli Optimax He 31C Combi fault?

Hi, I have a Ferroli Optimax He 31C Combi gas boiler. In the morning it regularly locks out on a F03 code eve... [Read more]
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how do i fix my broken boiler?

I have a Ferroli optimax 25 c boiler, it has stopped working and showing fault code F37. The manual say thi... [Read more]
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central heating timer clock memory?

ferroli optimax he 31C central heating timer clock does not keep time programed in. For more than 48 hours ... [Read more]
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heating?

what does..no ca..mean on a ferrolli optimax 31 c mean
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ferroli optimax he plus 38 c how do I raise pressure to 1 - 1.5?

have tried to increase pressure to 1 - 1,5 due to fault F37 turned both black knobs but no difference there ar... [Read more]
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why does has the pressure on my boiler gone up?

why does has the pressure on my boiler gone up ferroli optimax he 31 c
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i have a faulty boiler can you help?

ferroli optimax 31he. hot water ok but heating comes on and only stays on for only 8 mins. have renewed divert... [Read more]
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How can i get rid of the squeeling sound from ferroli optimax he31?

whenever the boiler starts or the heating is on, the boiler makes a squeeling sound. only get rid of it by swi... [Read more]
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1

How Do I fix?

Ferroli bioler optimax he plus 31 c Fault light flashing F35 Boiler working fine how do i get rid
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How fix whining on ferrolli optimax 31c?

Why does ferrolli optimax 31c start whining after heating been on about 45 minutes. The control also shows a d... [Read more]
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what does d2 mean?

ferroli optimax 31 c water fine, put heating on get d2 on display what does this meam?
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how does the timer work?

Hi, Iv`e just moved into a property that has a ferroli optimax HE 31. Iv`e managed to work out how to get hot ... [Read more]
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How do you programme the boiler to come on twice a day - nothing in the man?

How can I programme the Ferroli Optimax He Plus 31 c to come on automatically at a given set time twice daily... [Read more]
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Heating,Home Heating systems?

Where can the timer instructions be downloaded for a Ferroli optimax HE 31 C many thanx
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Heating,home Heating systems?

how do i set the timer c/h on a ferroli optimax he 31 c
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ferroli optimax he plus 31 c?

my boiler is flashing o 01 please help
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Ferroli Optimax HE 31C not heating radiators?

Ferroli Optimax HE31C won't heat the radiators. Hot water function is working fine. There are no error message... [Read more]
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Ferroli Optimax 31c?

Our boiler has a "no cn" symbol appearing on the clock counter and won't turn on. There is gas within the hou... [Read more]
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ferroli optimax he31c?

Drained my radiators and pressure dropped. Dont know how to fill the system again. What and where is the heati... [Read more]
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noisy boiler?

what is wrong with my boiler, it makes a loud noise when we switch either the water or heating on we have to s... [Read more]
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Ferolli Optimax HE 31C expansion vessel change?
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Parts for ferroli optimax he 31c ?
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Ferroli Optimax HE31c a26 problem?
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