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Mend Honeywell

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Mend Honeywell

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We have 712 questions about mending 'honeywell'

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Mend thermostat work flashing

RX1 thermostat - how do I get it to work?

The thermostat is flashing off and not registering a temperature. does the battery need replacing and if so h... [Read more]
Mend stopped working moving
1

Oil-filled radiator fell over, stopped working?

Hi. I was moving some furniture in my bedroom and knocked over my Honeywell Oil-filled radiator. It now will n... [Read more]
Mend g3 alarm day

how can I fix my sl8 g3 alarm ?

I had a power cut and since then 2 of the 3 remote panels will not operate, there is not mains power or day li... [Read more]
Mend power operate day

how can I fix my sl8 g3 alarm ?

I had a power cut and since then 2 of the 3 remote panels will not operate, there is not mains power or day li... [Read more]
Mend box working fine
1

How can i marry my honeywell CM921 the the BDR91 relay box?

we have a Honeywell CM921 thermostat and a BDR91 relay box, for the past two years was working fine. However r... [Read more]
Mend boiler heating pressure relief valve

Ferrloi 25c no Heating after new PCB fitted?

Initial fault of F26 caused by frozen condensate pipe. F 26 couldn't be cleared so the PCB had to be changed. ... [Read more]
Mend rid key pad
1

how do you get rid of sr on the key pad ?

how do you get rid of S R on the key pad or can i reset the systems there is no fault !!!
Mend honeywell controls boiler

F24 code on Honeywell Smartfit?

I have a code saying F24 on my Honeywell Smarfit, which is on the wall and controls the setting, timings for t... [Read more]
Mend change key pad
4

How to change the code on the key pad?

I have a 9827 control pad, I would like to change the key pad number because the old number on the pads which ... [Read more]
Mend thermostat programmer switching

I have a Honeywell CF wall mounted programmable thermostat thats gone rouge?

My programmer seems to have a mind of its own. It is switching the heating on much earlier than the programmed... [Read more]
Mend heating hot water
1

No heating and no hot water?

Hi.there. I have very odl Halstead Quattro Gold 47 333 04. It doesnt work. When I pressed restart button, sp... [Read more]
Mend pressure ace heating
1

high pressure on halsetad ace he 24?

do any of you men out there know how i can fix this? with the cold weather i have had heating on lots and have... [Read more]
Mend gas valve leak
1

Do I have a gas valve leak?

Replaced a Peerless MMW60 Honeywell gas control valve which ran for 23 years OK but diagnosed with an external... [Read more]
Mend lost work number
3

I need a user manual for a 9427 please?

I have lost my user manual and I changed the code but it didn't seem to work and now its showing the number 9 ... [Read more]
Mend heating thermostat clicking

how can i fix my honeywell sundial y plan?

my heating woudnt come on and the thermostat was clicking i manually moved the lever to open on the honeywell ... [Read more]
Mend accenta 6 alarm panel
4

accenta 6 intruder alarm panel?

accidentally pressed the wrong button whilst setting my alarm on friday. since then everytime i go in my kitch... [Read more]
Mend hot heating controls
1

RAadiators getting hot with heating controls turned off?

Just moved in to new home and noticed when Heating/water pump kicks in all the radiators in the house are gett... [Read more]
Mend Security Systems, Home Alarm Systems
1

resetting fb2 xl4600ms alarm system?

resetalarm system
Mend low battery problem
6

How can I fix a low battery problem?

I have a bF error signal on my 9800 signifying battery fault. How is tthis rectified?
Mend heating plan y

domestic heating system. honeywell plan 'Y'?

How do I clean my Potterton Kingfisher boiler ie burners etc?

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