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Mend Optima Home Heating Systems

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Mend 30 boiler fire flashing
2

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]
Mend Heating, Home Heating Systems
1

Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
Mend Heating, Home Heating Systems
1

Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
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Mend Optimax

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We have 321 questions about mending 'optimax' in category Heating, Home Heating Systems

How to mend Optimax

Mend repair code help
1

How can i repair a noCN fault on my boiler?

ferroli optimax - fault code noCN can anybody help to resolve this matter?
Mend Heating, Home Heating Systems
1

Ferolli Optimax HE 31C expansion vessel change?

How easy is it to change the expansion vessel on a Ferolli Optimax HE31C please? Looks straightforward but nev... [Read more]
Mend heating reset pressure

No heating, ferroli, errors not listed?

I've got a ferroli Optimax HE plus 31 c It's stopped heating water. Tried resetting it and I've seen 3 diffe... [Read more]
Mend ferroli optimax he
1

Parts for ferroli optimax he 31c ?

Hi, can I mend this boiler using parts from the plus model as I've been given one? Thanks, Mike
Mend ferroli optimax he 31 c boiler

I have a ferroli optimax he 31 c boiler ?

The heating just seems to turn on and off randomly having not been programmed.Any idea why ?
Mend ferroli optimax system
1

Ferroli Optimax HE31c a26 problem?

I'm having A pressure issue. The system pressure will increase to over 2-3bar and shut off from a starting pos... [Read more]
Mend pressure system increase

Ferroli Optimax HE31c a26 problem?

I'm having A pressure issue. The system pressure will increase to over 2-3bar and shut off from a starting pos... [Read more]
Mend water pressure ferroli
1

Hi how to increase the water pressure on ferroli optimax 25C?

Hi how to increase the water pressure ? I’m getting F37.
Mend turn heating boiler connected
1

How turn off heating in Ferolli Optimax 31c?

I dont know how turn off heating in my boiler. I Have remote controller with thermostate but i think is not co... [Read more]
Mend code ideas fault
2

ferroli plus 31c has a code b2 any ideas?

code fault b2 on my ferroli optimax plus 31c
Mend hot ferroli boiler

why aren't my radiators getting hot on my ferroli optimax he31?

Hi my boiler is switched on and the radiator icon is indicating that the radiators are on but they are not get... [Read more]
Mend instructions bought radio
2

Installation instructions for Ferroli 30800009?

I have bought a Ferroli Radio Thermostat Clock (Part No. 30800009) to fit to my Ferroli Optimax HE Plus 31C. I... [Read more]
Mend ferroli optimax he 31c

Ferroli optimax HE 31C?

my fuse box tripped and it turned off my boiler and now the boiler is showing high on the gauge and flashing F... [Read more]
Mend fault flue sensor
1

feroli optimax fault code a4 ?

could this be flue temp sensor
Mend water pressure up please
1

How do i get the water pressure up please?

I have a Ferroli optimax he 31c boiler and need to get the water pressure up, how do i do it please?
Mend fan running boiler not

Fan is running constantly when boiler is not in use?

Ferroli Optimax HE 31C boiler. No fault code showing
Mend time clock problem

time clock problem?

My boiler (Ferroli Optimax plus HE 38c) screen is blank, and the time clock screen shows "noCN" is this a cloc... [Read more]
Mend he put pressure up
1

Ferroli Optimax HE 31 C, how do I put water pressure up?

Ferroli Optimax HE 31 C, how do I put water pressure up?
Mend ferroli optimax he 31 c

Ferroli Optimax he 31 c?

Can't get any hot water doesn't seem to ignite when we open any of the hot water taps or shower . Just had a... [Read more]
Mend pressure problem plumber
1

Ferolli Optimax HE Plus 25 S Loosing pressure randomly?

This is a very strange problem that has my plumber friend very confused. When the boiler is on, the pressure ... [Read more]

Try searching for...

Repair Code HelpHeating Reset PressureFerroli Optimax HeFerroli Optimax He 31 C BoilerFerroli Optimax SystemPressure System IncreaseWater Pressure FerroliTurn Heating Boiler ConnectedCode Ideas FaultHot Ferroli BoilerInstructions Bought RadioFerroli Optimax He 31cFault Flue SensorWater Pressure Up PleaseFan Running Boiler NotTime Clock ProblemHe Put Pressure UpFerroli Optimax He 31 CPressure Problem Plumber
Mend optima diverter valve

Optima 701 Diverter Valve?
Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?
Mend diverter valve air

Optima 701 Diverter?
Mend turning combi boiler

Why does the Hawk II Optima keep turning on central heating without request?
Mend fire boiler flame lit

Optima failing to fire up?
Mend optima flashing reset

time clock failure?
Mend boiler turns off

boiler turns off and on?
Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?
Mend boiler wall gas

Optima boiler?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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Mend Heating, Home Heating Systems

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