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Mend Optimax

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Mend Optimax

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We have 336 questions about mending 'optimax'

How to mend Optimax

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Mend heating noise pressure

what is the problem?

i have a ferolli optimax he plus 35 s. When the heating is on there is a loud humming noise in the pipes a rea... [Read more]
Mend ferroli optimax he
1

ferroli optimax he 31c trip-out?

my boiler cuts out and code 41 is displayed, other than this it works fine most of the time.
Mend thermostat boiler heating
1

Which Room Thermostat do we need?

We have just had gas CH put to the property but there is no room thermostat with it! The Boiler is an Feroll... [Read more]
Mend ferroli heating optimax
2

How to remove Ferroli optimax HE31C casing?

Undone two screws but cant lift casing. says in manual to fold down flap B but cant see anything. going to get... [Read more]
Mend heating timer ferroli

how do i set my timer?

how can i set my timer on a ferroli optimax he 31c?
Mend Ferroli Combi Fault
6

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]
Mend Ferroli Fault Code Water Pressure

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]
Mend pressure heating boiler

loss of presure eery day with no sign of a leak?

every day i have to top up the pressure on my boiler . I hae checked for leaks on the complete system,with the... [Read more]
Mend heating timer program
1

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]
Mend boiler heating ferroli

heating?

what does..no ca..mean on a ferrolli optimax 31 c mean
Mend ferroli pressure f37

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]
Mend Security Systems, Home Alarm Systems
1

how can i reset newpassward in my optimax xm6?

old owner did not give me passward.can you tell me how can i reset new passward?
Mend boiler heating troubleshooting

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
Mend Ferroli Diverter Valve Hot Water

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]
Mend radiator pressure system
2

Water Pressure C/H? Optimax 31C?

Hi Guys tried to let some air out of a radiator but now have low pressure, tried opening the two black vavles ... [Read more]
Mend optimax boiler starts

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]
Mend boiler repair fault
1

How Do I fix?

Ferroli bioler optimax he plus 31 c Fault light flashing F35 Boiler working fine how do i get rid
Mend xm6 reset code

optimax xm6?

how do i reset my optimax xm6 code?
Mend start 45 minutes

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]
Mend boiler heating error

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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