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How to reset after battery change?

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Mend Boiler Optimax Hot Water

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We have 68 questions about mending 'boiler optimax hot water'

How to mend ... Boiler Optimax Hot Water

Pages 4321
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]
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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]
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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]
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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]
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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]
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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]
Mend Heating, Home Heating Systems

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]
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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]
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Ferolli Optimax HE31C - Error code d1?

Hmmmm Newly installed boiler working fine for heating but when hot tap is run, after tap is closed boiler g... [Read more]
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hi i have a optimax 25 c condensing combination boiler ?

the hot water does not get very hot and i have to turn the water pressure down to warm it up as much as possib... [Read more]
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Variations in heat from taps and shower?

Sometimes my hot tap is too hot to use and other times it fuctuates between hot and medium when turned on full... [Read more]
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Hot water?

I have a ferolli optimax he 31c boiler, i am unable to get hot water when the hot tap is turned on. Although ... [Read more]
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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]
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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]
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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]
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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 Security Systems, Home Alarm Systems

Optima XM Alarm panel dead?
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Unable to set Optima alarm?
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I have optima optima xm alarm plus panic alarm unit operated by red plastic?
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How can I fix my optima 2 alarm?
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Program my 8EP396A optima compact alarm?
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No green light in optima XM burglar alarm?
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How do i increase the keyboard sounds and exit entry sounds?
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Optima plus 2 small keypad?
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Optima xl6?

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