Fix Fault Honeywell

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We have 221 questions about fixing 'honeywell'

Honeywell Accenta G3 tamper light flashing?

Hi guys this moring i unset my alarm it worked fine but later i saw the tamper light was flashing on and off how do i stop this


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Potterton 60E tripping electrics on startup?

I have a Potterton Profile Netahaeat 60E which seems to trip the RCCD switch on my eletrics every time it tries to come on. It doesn't even start the pilot light before tripping so I'm wondering if th ... more


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Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade the CH to come on. burner kicks in if hot water is run but nothing happens even when ... more


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isar he30?

help , i have a isar he30 combi boiler the problem i am having is heating is turned off via honeywell cm927 thermostat but the heating remains on . has any one got any ideas why this is happening as i ... more


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Replacing LP112 Programmer?

I'd like to replace my LP112 Programmer & TS 142 mechanical roomstat with something more accurate and with optimum start etc. I've put in TVRs incl 2 Terrier Programable TRVs and the boiler is an old ... more


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Vulcan Continental 45/60BE/DE LUXE has refused to light . Pilot light works?

My Vulcan Continental has stopped working. The pilot light is lit, the pump is working but the main gas will not power up. What has broken? Is it the thermostat? The solenoid operator (Honeywell V404A ... more


Mid position valve?

Could someone please tell me if: Honeywell 28mm V4073A Siemens 28mm MVA328 Landis & Gyr MV-A328 Motorised valves are fully interchangable, is the internal wiring the same?


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honeywell accenta mini tamper lock out?

I have a tamper lock out fault on a honeywell accenta mini alarm despite the green led indicating there is no tamper? Any ideas?


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Baxi Solo slow to fire up?

I have a Baxi Solo 3 PFL, just recently the burners have been very slow to fire up after the pump starts, both when the system is on timer and when adjusting the room thermostat; 20 minutes is average ... more


heating, Oil boiler not running?

Having just drained my heating system to replace a number of failing radiators,I have re-filled the system but now find my boiler (Camray 2- oil) only runs for a brief time then shuts off .The upstair ... more


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I want the circuit diagram of the PCB in a Potterton 28i?

The Contol PCB part number is Baxi 248731. The board is marked Honeywell and has a No. CSO13178-LS. My third board in about five years. Flashes a fan or flue fault. I am competent to diagnose a ... more


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why has my wireless time clock stopped responding?

hi all i have had a honeywell timer/programer working fine for 2yrs then just last night came to put the heating on the timer looks like its doing its job but the heating never came on please help


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Baxi Bermuda 401 ?

having just fitted a new electrical programmer after old one kept clicking and flashing and not lighting up central heating.I used the old base as I thought it would be the same as the new one.However ... more


Bosstherm and Honeywell?

My question is, is it possible to get a Honeywell CM61ng thermostat and a BossTherm receiver to talk to each other, or are these 2 different brands and wont work together at all?


How can I get my Honeywell thermostatic radiator valves to switch off?

Two of my thermostatic radiator valves no longer switch off completely (I sometimes don't wish to heat all rooms). They are Honeywell, possibly model VT117e & were fitted 10 years ago. Is this a probl ... more


external bell only sounds for 10 seconds and wont stay on?

We have installed a honeywell accenta g4 and when activated the external bell only sounds for 10 seconds even though the set up is for 20 mins the rearm is set up as 3 and the delay time is set up for ... more


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heating is erratic sometimes on then goes off fitter says system is overhea?

fitter seems to think system is overheating due to eitherpump grundfos1550 or programmer honeywell st699 being at fault ,any suggestions would be helpfull before i have to buy one or the other


Hi, I am trying to wire an Accenta mini g3 to a honeywell ag6 bell box?

The old bell box broke on my alarm and I tryed to replace it with the ag6 box, unfortunatly the markings on the box dont match the instructions the letters on the box are from left to right st,r,sw, ... more


Faulty Myson Apollo Fanfair boiler?

It appears that the fan on the boiler keeps operating every 3 or 4 minutes for approx 30 seconds and then shuts off.This happens when the hot water or radiators are both switched off at the honeywell ... more


exchange links?

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