Boiler diagnosis opinions sought - gas valve or PCB

Boiler diagnosis opinions sought - gas valve or PCB


Gas boiler not lighting - Gas valve? - HomeOwnersHubOn this boiler there appears to be two live connections to the gas valve - one presumably for the pilot and another for the main valve. The PCB may sequence these, and possibly turn off the pilot once the ignition electrode detects the main burner firing.Erg Facilities Ltd Reviews - Read Customer Reviews of …3/9/2019 · To diagnose and repair modern boilers you need to use a flue gas analyser to assist with combustion diagnosis as well as to set up and adjust when a new gas valve is fitted. You have not mentioned his use of this tool which is usually an essential part of fault diagnosis.

Bloody boiler gas valve (I think)! - HomeOwnersHubHe faffed for a bit and diagnosed a possible "gas valve failure". Subsequent discussion with a specialist Keston boiler engineer immediately raised doubt over the provisional diagnosis the ERG engineer made by explaining that engineers unfamiliar with this boiler often make the diagnosis he came to simply due to a lack of knowledge of the boiler.Potterton Suprima HE 80 faulty (again) - help sought! - …17/12/2010 · OK, I have an Ariston Microgenus combi. It is dripping from the pressure-relief pipe. The system pressure is pretty high and does not go down despite the leak, which seems to suggest one of two things: 1) The filling valve it letting water through. 2) There is a leak in the secondary heat

Replaced part was not needed due to misdiagnosis - …3/9/2019 · The clicking MIGHT be the boiler trying to light but thats likely to be as a result of a lack of service rather than any fault in the gas valve. It could also be a faulty PCB only powering the valve intermittently atr furst as a result of dirty relay contacts.Vaillant Boiler F.75 error code - Page 2 — Digital Spy17/12/2010 · 1) The filling valve it letting water through. 2) There is a leak in the secondary heat exchanger, so that mains-pressure water in the DHW side is getting into the primary circuit and and over pressurising it. The first seems to be more probable, except that when I

Our boiler's dead - Singletrack Magazine24/7/2009 · If the problem I am having with the boiler is related to a faulty pcb, as has been suggested, then I am looking at about 250 euro for a new one. Now I remember reading somewhere recently, that these can be purchased from the UK (possibly refurbished?) at a much discounted price.Central Heating Fault Diagnosis21/9/2012 · the pcb being knackered. He's gone through the tests in the manual and this is the outcome, so I've suggested trying a replacement if there's one available cheaply before replacing the entire boiler TIA


Boiler diagnosis opinions sought - gas valve or PCB Related Information

Gas boiler not lighting - Gas valve? - HomeOwnersHub

On this boiler there appears to be two live connections to the gas valve - one presumably for the pilot and another for the main valve. The PCB may sequence these, and possibly turn off the pilot once the ignition electrode detects the main burner firing.

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Vokera Unica 36 HE. Is the gas valve at fault or not? | …

3/9/2019 · To diagnose and repair modern boilers you need to use a flue gas analyser to assist with combustion diagnosis as well as to set up and adjust when a new gas valve is fitted. You have not mentioned his use of this tool which is usually an essential part of fault diagnosis.

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Erg Facilities Ltd Reviews - Read Customer Reviews of …

He faffed for a bit and diagnosed a possible "gas valve failure". Subsequent discussion with a specialist Keston boiler engineer immediately raised doubt over the provisional diagnosis the ERG engineer made by explaining that engineers unfamiliar with this boiler often make the diagnosis he came to simply due to a lack of knowledge of the boiler.

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Boiler diagnosis? | DIY Forums

17/12/2010 · OK, I have an Ariston Microgenus combi. It is dripping from the pressure-relief pipe. The system pressure is pretty high and does not go down despite the leak, which seems to suggest one of two things: 1) The filling valve it letting water through. 2) There is a leak in the secondary heat

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Worcester 280 combi faults | DIYnot Forums

3/9/2019 · The clicking MIGHT be the boiler trying to light but thats likely to be as a result of a lack of service rather than any fault in the gas valve. It could also be a faulty PCB only powering the valve intermittently atr furst as a result of dirty relay contacts.

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Boiler diagnosis? | DIY Forums

17/12/2010 · 1) The filling valve it letting water through. 2) There is a leak in the secondary heat exchanger, so that mains-pressure water in the DHW side is getting into the primary circuit and and over pressurising it. The first seems to be more probable, except that when I

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Servicing a gas boilerany value out there? | …

24/7/2009 · If the problem I am having with the boiler is related to a faulty pcb, as has been suggested, then I am looking at about 250 euro for a new one. Now I remember reading somewhere recently, that these can be purchased from the UK (possibly refurbished?) at a much discounted price.

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pcb for old boiler | DIY Forums

21/9/2012 · the pcb being knackered. He's gone through the tests in the manual and this is the outcome, so I've suggested trying a replacement if there's one available cheaply before replacing the entire boiler TIA

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Bloody boiler gas valve (I think)! - HomeOwnersHub

Boiler diagnosis opinions sought - gas valve or PCB? Hi folks,My Baxi Solo 2 (non-condensing, automatic ignition) boiler Boiler Gas Valve Solenoid

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pcb for old boiler | DIY Forums

21/9/2012 · the pcb being knackered. He's gone through the tests in the manual and this is the outcome, so I've suggested trying a replacement if there's one available cheaply before replacing the entire boiler TIA

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Potterton Suprima HE 80 faulty (again) - help sought! - …

12/12/2016 · PCB and Gas Flow Value replaced. 4. 5 hours later back to losing all power "no light on boiler" for long periods of time and also a few "ignition failure lockouts". Two way valve in airing

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Boiler repair - is this expensive? | AVForums

10/3/2018 · Oh and the reason for the diagnosis for the main PCB being faulty is he says there is no power being supplied to either the gas valve or the ignition. I am just worried that he didn't wait long enough after switching it on for the boiler to go through it pre-start self test routine.

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Replaced part was not needed due to misdiagnosis - …

Hi the F4 fault on a Viessmann boiler can be 1 of 4 issues it is basically referring to the flame detection during the ignition process and the boiler detecting the flame the burner produces. If diagnosed correctly he should have checked the correct start up process and seen the boiler failed at the point of gas vale solenoid not operating, he would have known it was not getting past that point.

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Vaillant Boiler F.75 error code - Page 2 — Digital Spy

Replacement is explained in the Vaillant manual which is easily findable on line (Ecotec Pro 24). Remember, as advised to turn off gas and fully isolate boiler electrically (ie. Unplug or remove fuse). Also drain the boiler after isolating CH feed and return. 3) Removing Water Pressure Sensor.

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Glowworm swiftflow 100 gas valve | DIYnot Forums

3/9/2019 · when the boiler has power to it a loud fast clicking noise can be heard coming from the blue modulator coil on the gas valve . We have replaced the gas valve complete with modulator with a used one from a working boiler and the fault remains .

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Our boiler's dead - Singletrack Magazine

Subscriber. When our boiler died recently, we got British Gas to come out and repair it on their fixed price repair scheme. £167 to fix, including parts and labour seemed a decent price to me

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Central Heating Fault Diagnosis

29/6/2005 · the motorised valve powers the boiler/pump. If the motorised valve is opening, which it seems to be, then I would Boiler diagnosis opinions sought - gas valve or PCB? started Kefid 14:56:49 UTC uk.d-i-y 6 replies Any suggestons for this Gas Central

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Boiler PCB Repair - Part II - HomeOwnersHub

Boiler diagnosis opinions sought - gas valve or PCB? Hi folks,My Baxi Solo 2 (non-condensing, automatic ignition) boiler

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Boiler diagnosis opinions sought - gas valve or PCB? - …

The valve seat could be sticking, lack of gas to the valve or a blockage at the jet It is ososimple to determine whether it's the pcb or valve, check whether you have mains at the pilot valve solenoid when the spark is clicking

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Boiler repair - is this expensive? | AVForums

10/3/2018 · You sell the boiler for £1000 and it is covered for 10 years. The tradesman charges £1000 for fitting and £100 for each service. So over 10 years the boiler manufacturer gets £1000 from which he must deduct all the design, support and materials, whilst the tradesman gets £2000 which is …

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