Electrical Fault Finding on a Gas Boiler… EASY?

In this video Matt attempts to find a fault on a British Gas boiler 330. The boiler wasn’t working when the electrician arrived will it be working after 2 hours of electrical fault finding by Matt...
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== 🕐 Time Stamps - Cut to the action 🕕 ==
00:00 - Gas boiler not working
00:47 - The Y plan heating system
01:07 - Power ON
01:43 - Instruction British Gas 330
02:14 - Connection box
02:51 - NO screen display
03:17 - Power
04:01 - Prove both line and neutral
04:39 - Fuse
05:06 - That's odd
Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2, 3 plus AM2, AM2S and AM2E.
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Пікірлер: 34

  • @jasonwatson9011
    @jasonwatson9011 Жыл бұрын

    We have a standing instruction preventing any live testing except at the consumer unit. When called to a heating fault this pretty much removes significant diagnostic options making fault finding a pain (Not just on heating systems). Ironically currently our gas safe engineers with less electrical training, test equipment and experience are not restricted in the same way. Were pretty much limited to covers on function checks and continuity testing or just changing out components based on likely cause.

  • @helijim

    @helijim

    Жыл бұрын

    How on earth can you find most faults with no live testing and within a respectable period of time? I'd certainly ignore that standing instruction as would 99% of qualified sparks that know what they're doing.

  • @jasonwatson9011

    @jasonwatson9011

    Жыл бұрын

    @@helijim It was either that instruction or have a second safety operative with you at all times. This is in domestic properties BTW not commercial/industrial. Only live testing at consumer unit with safety barriers. Basically that standing instruction is impractical most of the time and as you pointed out drags fault finding out on control circuits especially. this instruction doesn't include gas safe engineers at the moment so they can probe away with a multimeter in a boiler or wiring centre and I can't. They were going to make it across the board but hit a problem that would either task an electrician with every gas safe engineer as a team or put the gas engineers on some courses and issue them a MFT when they can use one. As its a standing instruction were stuck with it, impractical or not.

  • @helijim

    @helijim

    Жыл бұрын

    @@jasonwatson9011 I feel your pain.

  • @rdstewart14

    @rdstewart14

    Жыл бұрын

    We had a fault on our condensing boiler last year. It has a reservoir tank and pump, external to the boiler, which pumps the condensate up to the loft and out through the stink pipe. The pump stopped working, the reservoir tank reached it’s maximum level and disconnected power to the boiler. I installed a new pump and the boiler started working. The same issue happens, where the condensate is gravity fed to the outside and freezes up in freezing winter temperatures.

  • @piotrlobacz
    @piotrlobacz Жыл бұрын

    Normally if display is off it means that 5 or 3.3 v regulated power supplies are knackered on PCB.

  • @TheDAMeaning
    @TheDAMeaning Жыл бұрын

    Did you confirm it was 230v reaching the board and not just indicated voltage.

  • @mikepxg6406
    @mikepxg6406 Жыл бұрын

    Im surprised the GSH Group inc have not stopped you using GSH Electrical as a name.

  • @ashvanbro9329
    @ashvanbro9329 Жыл бұрын

    Could be one of the fast blown fuses on the board

  • @lech000
    @lech000 Жыл бұрын

    Hi did you figure out what was wrong with it? I have exactly the same problem

  • @TheMetalators-kp8cw
    @TheMetalators-kp8cw9 ай бұрын

    was the fault found?

  • @waynecarrington9852
    @waynecarrington98529 ай бұрын

    was fault found?

  • @MrCarhoo
    @MrCarhoo Жыл бұрын

    I would of swap the fuse for another just to check never no

  • @therealdojj
    @therealdojj Жыл бұрын

    Ours was the board But we'd already changed the timer and the switchy thing in the front 🤦

  • @chrisb4009
    @chrisb4009 Жыл бұрын

    Unless you’re gas safe you don’t really need to take the cover off a boiler to fault find. You can’t legally take a cover off that forms part of the combustion seal.

  • @benYMSB

    @benYMSB

    Жыл бұрын

    It’s a room sealed boiler. The outer casing douse house a seal. The combustion chamber cover does.

  • @Mchy0

    @Mchy0

    7 ай бұрын

    @@benYMSB still u are not allowed to take off it illegal

  • @benYMSB

    @benYMSB

    6 ай бұрын

    @@Mchy0my point was taking it off doesn’t compromise the integrity of the seal.

  • @shannonj1000
    @shannonj1000 Жыл бұрын

    No sparks should be touching inside a boiler, Ready the M.I unless you are Gas safe registered, how can you confirm you haven’t now caused CO leakage.. Or Gas leakage..

  • @jasonwatson9011

    @jasonwatson9011

    Жыл бұрын

    On that particular boiler the outer cover and wiring terminals are NOT within the room sealed section of the boiler - so not an issue. On some boilers you cannot access the electrical connections this way. In that case I would agree with you. For some reason more modern boilers have moved the electrical connections into this room sealed area which to be honest seems like a really dumb idea.

  • @shannonj1000

    @shannonj1000

    Жыл бұрын

    @@jasonwatson9011 sorry if the guy got it working how can he test the integrity of the flue.. as he is the last person working on the boiler.. he is HET.. even if he wasn’t working on the flue he is responsible.. as soon as you take the case off you are responsible for the boiler.. weather it is AR or ID..

  • @kevy427

    @kevy427

    Жыл бұрын

    He's taken the cover off to access the electrical connections and didn't disturb anything to do with the combustion chamber or flue? I'm not being argumentative, just mildly pedantic because that's the nature of us electrical wizards ;-) I've been to retrofit smart controls to recently installed boilers and found incorrectly rated fuses in the spur, no ferrules on stranded conductors, 5-core cables with wires cut short/off or left floating because they weren't being used, 2-core T&E with the CPC being used as a switched live, so likewise, Heating Engineers shouldn't be touching the electrical connections unless they're suitably qualified?

  • @smiffysmiffy123

    @smiffysmiffy123

    Жыл бұрын

    He's removed a decorative cover, if you're gas safe I suggest you read up on your own regs.

  • @helijim

    @helijim

    Жыл бұрын

    So what about the heating engineer that connects the boiler to a spur/fused connection unit? How can you confirm you now haven't caused a break in the earth to the boiler or that there wasn't one there before? Do you guys carry an earth loop impedance tester? Exactly!

  • @Mchy0
    @Mchy07 ай бұрын

    If you are not gas Engineer you shouldn’t be taking off the case off, that’s illegal

  • @marcoequi111
    @marcoequi111 Жыл бұрын

    You shouldn't be working on a boiler unless you are AG's registered