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Fix Fault Honeywell

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We have 163 questions about fixing 'honeywell' in category Heating, Home Heating Systems

temp control?

British Gas homeserve replaced defunct honewell control for a British gas Thermostatic temperature control system (wireless thermo/roomstat . Each of 11 radiators has a TRV. Q: Would they be at ... more
home Fix label Heating label_important Home Heating Systems category Honeywell

miGenie wirelss room thermostat?

Just installed the MiGenie wireless room stat and programmer. It all goes through a Honeywell sundial wiring centre. The problem I have is what do I do with the original wired room stat, do I just dis ... more
home Fix label Heating label_important Home Heating Systems category Honeywell

Wireless time clock broken?

Honeywell CM61 I think is the make and model and gas heating system. Can we just replace with a new clock or do we have to change wireless part too? Please help
home Fix label Heating label_important Home Heating Systems category Honeywell

How do I reprogram my ideal bolier rf thermostat receiver?

bought a new Honeywell rf thermostat cm927 same as the old one. How do I get the ideal boiler receiver module to connect with it. The receiver has only 1 red led and 1 button
home Fix label Heating label_important Home Heating Systems category Honeywelldone

can i fix it honeywell st1000 ?

one of the pins has come out of it's locat in the timer. can i mend it?
home Fix label Heating label_important Home Heating Systems category Honeywelldone

Ideal Classic no heating but have hot water?

HI all, i have just found this fabulous site, I wonder if anyone could help as right now things are just miserable. I have had on going issues, the latest is no heating for the past month despite p ... more
home Fix label Heating label_important Home Heating Systems category Honeywelldone

siemens rdj10rf ?

hi, I'm using the screwdriver tap method to get the receiver to fire up the boiler. Okay but when the boiler reaches optimum temp and stops it doesn't spark again. Therefore, another tap needed. Deci ... more
home Fix label Heating label_important Home Heating Systems category Honeywell

replacement for honeywell pressure switch ?

I know the switch # c6052a1015 is obsolete. most listed replacements are adjustable. I need to know the rating of the original part. This is for a Potterton Netaheat 66E. What I am really asking is fo ... more
home Fix label Heating label_important Home Heating Systems category Potterton

icos he15 wont ignite?

icos he15 boiler wont ignite. honeywell wireless room stat. turn to 22degrees C. light flicks on and off nothing happens at boiler.
home Fix label Heating label_important Home Heating Systems category Honeywell

wiring horstmann centaurstat 7?

swapping honeywell stat to horstman, two wires i presume live and swithed,the centaurstat 7 has 1234 could you please advise is 1 live and 3 swich
home Fix label Heating label_important Home Heating Systems category Horstmanndone

Why has my Honeywell CM921 thermostat lost patches of its display?

My Honeywell CM921 thermostat has lost much of its display and can no longer be programmed. I have changed the batteries (new but bought some time ago) which didn't work. I intend buying fresh batteri ... more
home Fix label Heating label_important Home Heating Systems category Honeywell

Potterton PRT2/ EP2002 C/H always on (unless at temp)?

I have developed a fault on my Potterton EP2002 Programmer following short circuiting and blowing a fuse. The programmer is sending a constant live to the thermostat – meaning the Central Heating by ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton PRT2) with a new Honeywell DT90e. I wired the new stat incorrectly which blew the 3amp fus ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

Boiler or controller failed. Can I direct wire?

Ideal Isar HE24 not working,no fault code showing. Think it it is Honeywell controller. Power is reaching controller but not reaching Boiler. Can I direct wire to Boiler to test this?
home Fix label Heating label_important Home Heating Systems category Honeywell

f5 has appeared on my thermostat?

hi i have an ideal classic boiler and honeywell thermostat the thermo is showing f5 and pic of spanner how do i fix this thanks
home Fix label Heating label_important Home Heating Systems category Honeywell

gas valve?

In a vulcan continental boiler can a honeywell gas valve v4600 1029 be used to replace the existing valve v4600 1023
home Fix label Heating label_important Home Heating Systems category Honeywell

Honeywell ST7100 programmer goes blank when RUN selected?

10 minutes after I came home yesterday(28/12/2012) the power cut . Since then the central heating/hot water have not been working. I think the batteries are okay, because you can still get the display ... more
home Fix label Heating label_important Home Heating Systems category Honeywelldone

Potterton Netaheat - no heating without hot water?

Boiler will only fire up when "hot water" selected on controller (EP2002). When hot water is on, radiators also heat up (whether or not the heating is set to "on" on the controller) but cool down whe ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

dmestic hot water near boiling point, howto adjust temperature?

honeywell l641a1005 attached to hot water cylinder with spring band, i have tried turning switch down but has no effect any answers appreciated?
home Fix label Heating label_important Home Heating Systems category Honeywelldone

How can i fix my ferroli Domicompact f 24 b?

hi went on holiday for 2 weeks came back and the honeywell dt200 thermostat battries were dead.changed them but the boiler won't start when the flame shows on the stat? can anyone help
home Fix label Heating label_important Home Heating Systems category Honeywell

Fix Fault - Heating, Home Heating Systems

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Fix Fault - Heating, Home Heating Systems

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