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Replacing full bulb housing unit in Neff oven?

Hi, I need to replace the full bulb housing unit in Neff oven model b47cs34n0b/01. However, I have not be... [Read more]
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How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?

my Kenwood Slimline Dishwasher KDW45X20 keeps giving a Fault Beep F1, after about 15/20 mins or so into the wa... [Read more]
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How to reset after battery change?

Scantronic 9600. how do I reset after lid tamper
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Mend Water Ferroli Optimax Boiler

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We have 79 questions about mending 'water ferroli optimax boiler'

How to mend ... Water Ferroli Optimax Boiler

Pages 4321
Mend Heating, Home Heating Systems

Fault code 'A02' with my Ferroli Optimax HE Boiler?

I have a continued problem with my boiler that just won't go away! About once a week the heating & hot water g... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax he31c?

help my daughters hot water won,t work the radiators are ok, it is quite a new boiler, but she has no instruct... [Read more]
Mend Heating, Home Heating Systems

No display on Ferroli Optimax HE 31 C control panel why?

Please help. The control panel has some lines on it (power is on) but no symbols at all - no fault codes, no p... [Read more]
Mend Heating, Home Heating Systems

Ferroli optimax HE 31C, c/h but no hot water?

Currently in a student house, just got back after easter break and whoever left the hosue last turned boiler o... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax he 31 c d1 comes on display boiler not firing up correctly?

the boiler was fitted to existing system. central heating was working fine until bath tap turned on then water... [Read more]
Mend Heating, Home Heating Systems

my Ferroli optimax boiler is not working and is showing code noCn?

my boiler is twelve months old. Ferroli Optimax HE31 I have no heat or hot water. Where it would normally sho... [Read more]
Mend Heating, Home Heating Systems

ferrolli optimax 25c?

ferroli optimax 25c i have no hot water and no ch code f3, now is it, the diverting valve ?how can i check it ... [Read more]
Mend Heating, Home Heating Systems

No hot water?

Our Ferroli optimax HE 31 C boiler is not giving us any hot water although the central heating system is worki... [Read more]
Mend Heating, Home Heating Systems

What is fault code 'd' on a ferroli boiler optimax 25?

Heating doesn't work but water does.
Mend Heating, Home Heating Systems

What is Fault Code "d" on a ferroli optimax 25 c boiler?

I cannot get my central heating to work although my hot water seems fine. The display is showing a d which doe... [Read more]
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FERROLI OPTIMAX 25C OVERHEATING?

When I turn on the hot tap the boiler fires up then a few seconds later it overheats and I get F3 fault code, ... [Read more]
Mend Heating, Home Heating Systems

Ferroli optimax 25c boiler not working !?

The boiler (ferroili optimax 25c) in the house which i'm renting has stopped working christmas day i've no hot... [Read more]
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Ferroli Optimax 38c combi boiler showing fault code d1 ?

My ferroli 38c condesing combi boiler has no hot water and showing fault code d1 ? the c/heating is working f... [Read more]
Mend Heating, Home Heating Systems

My Ferroli Optimax 25c boilier is not producing hot water?

I have a Ferroli Optimax 25c boiler which stopped producing hot water. The presuuer is correct, the display i... [Read more]
Mend Heating, Home Heating Systems

no hot water ferroli optimax 38?

New optimax 38 ferroli boiler has no hot water. Heating fine but fault code d1 and d2 on screen?
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ongoing problems with ferroli optimax he 31c boiler?

I was getting code f40 , pressure was at 3+ , so i drained system, pressure was at 2, now i am getting code fh... [Read more]
Mend Heating, Home Heating Systems

how can i fix this problem? ferroli Optimax 25c boiler?

My heating and hot water do not come on. i have a ferroli optimax 25 c boiler. the display fault is as f 01. ... [Read more]
Mend Heating, Home Heating Systems

We have an ferroli optimax boiler and code F37?

Can you please help we have looked at the instruction book and we brought water pressure back to 1.5 bar all... [Read more]
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how can i fix my ferroli optimax 25c boiler?

the hot water works fine but the heating will not work if i press the mode button 3 times it comes on for 15 m... [Read more]
Mend Heating, Home Heating Systems

How can i fix my ferroli optimax combi boiler ( he31c )?

Hi, i have just moved into a property that has had a new boiler fitted, its a combi boiler ferroli optimax he3... [Read more]
Pages 4321
Mend Heating, Home Heating Systems

Hi how to increase the water pressure on ferroli optimax 25C?
Mend Heating, Home Heating Systems

Ferroli Optimax HE31c a26 problem?
Mend Heating, Home Heating Systems

F40 fault?
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Replace a diverter valve?
Mend Heating, Home Heating Systems

ferroli plus 31c has a code b2 any ideas?
Mend Heating, Home Heating Systems

How can i repair a noCN fault on my boiler?
Mend Heating, Home Heating Systems

Ferroli DOMIcompact F 30 D?
Mend Heating, Home Heating Systems

i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
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Parts for ferroli optimax he 31c ?

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