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power shower help

  • 30-07-2011 9:00pm
    #1
    kiruba
    Closed Accounts Posts: 2 ✭


    I am looking for help with a triton power-shower. A couple of days ago the ceiling switch would not knock on or off. Opened up the ceiling switch found a burnt live wire, replaced ceiling switch shower would still not work, opened up shower unit itself, found the motor was burnt out. Changed shower unit, now when you run the shower it cuts out after a couple of seconds. I checked ceiling switch again and found power on both live and neutral terminals. Any ideas as to what the problem could be?


Comments

  • #2
    Spear
    Moderators, Computer Games Moderators, Technology & Internet Moderators, Help & Feedback Category Moderators Posts: 25,763 CMod ✭✭✭✭Spear


    Moved from N&F.


  • #3
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    Its probably not a power shower, but an electric shower. The names are misleading really. An electric shower takes far more electrical power.

    A power shower just mixes your hot water from the immersion cylinder with cold water to get the temperature you set, and so it takes very little electrical power as it uses pre-heated water for the shower.

    So because the pull chord switch was burned, it suggests it was an electric shower, maybe a t90?


  • #4
    beanie10
    Closed Accounts Posts: 466 ✭✭beanie10


    If your neutral is live it probably means a dodgy neutral coming to the switch. Check the RCBO in fuse board. How did you find the neutral is live?


  • #5
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    Must of been with a phase tester. Neutral has a bad or loose connection either at the board or possibly the supply side of the new switch by the look of it.

    When the switches burn out, the cable should have the burnt ends cut off it before re-fitting a new switch OP. And connections good and tight.


  • #6
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    beanie10 wrote: »
    If your neutral is live it probably means a dodgy neutral coming to the switch

    I never even noticed the OP seemed to say both terminals were live. Blindness setting in now as well here:D


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  • #7
    kiruba
    Closed Accounts Posts: 2 ✭kiruba


    Yes it is an electric shower. It's a T90xr.Have changed switch and checked all terminals and only power to live. When you run the shower for a minute or two it cuts out and then there is power to both terminals live and neutral.Just thinking, could the wires be fused somewhere between either end?


  • #8
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    kiruba wrote: »
    Yes it is an electric shower. It's a T90xr.Have changed switch and checked all terminals and only power to live. When you run the shower for a minute or two it cuts out and then there is power to both terminals live and neutral.Just thinking, could the wires be fused somewhere between either end?

    No, it is a bad neutral connection alright. It is working for a time, then the shower load is breaking down the bad connection somewhere on the neutral, which then causes the shower to stop, and the neutral after the point of breakdown will show as a live once the shower is still on.


  • #9
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    It is a very simple fault for a competent electrician to find anyway, especially when the neutral terminal is showing as live.

    On rare occasions, the actual contacts in the shower RCD or RCBO can be the problem. As can the actual contacts in the ceiling pull chord. Also as said, make sure the terminals are tight in the new switch you fitted.


  • #10
    manormyth
    Closed Accounts Posts: 11 ✭manormyth


    kiruba wrote: »
    Yes it is an electric shower. It's a T90xr.Have changed switch and checked all terminals and only power to live. When you run the shower for a minute or two it cuts out and then there is power to both terminals live and neutral.Just thinking, could the wires be fused somewhere between either end?


    make sure u bleed the shower properly first, just an idea.....


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