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timer for gas boiler not working correctly

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  • 31-10-2006 12:45pm
    #1
    Ollie11
    Closed Accounts Posts: 1 ✭


    The timer on our gas boiler was not working while on timer. The clock was not turning so if you put the heating on timer for an hour it would stay on constantly as the time never changed.
    We replaced the timer over the weekend with a new unit but it is still not working correctly. If you put the heating on timer the clock will move will the heating is on but when the timed interval is up and the heating is off the clock will not move anymore. This effectively means that we cannot use the timer. I am wondering if some internal wiring behid the box has gone haywire? Also there is a power light on the new timer unit that is always lit...is this correct? Any suggestions greatly appreciated!


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    #2
    Dec McC
    Closed Accounts Posts: 265 ✭✭Dec McC


    Sounds like the power supply coming into the timer and the power supply going out of your timer to the bolier might be mixed up.


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    #3
    delly
    Moderators, Home & Garden Moderators, Recreation & Hobbies Moderators Posts: 7,686 Mod ✭✭✭✭delly


    Well the light is there to give a clear indication to you that the heating is on or off, so I would presume if its on regardless of the timer being on or off, then the wiring is wrong.


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    #4
    RoundyMooney
    Closed Accounts Posts: 10,910 ✭✭✭✭RoundyMooney


    A rotary timer I assume. Either way, if the wiring wasn't backwards before (i.e. the old clock was wired correctly, but defective) it certainly is now.


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    #5
    JamesM
    Registered Users Posts: 1,775 ✭✭✭JamesM


    Ollie11 wrote:
    The timer on our gas boiler was not working while on timer. The clock was not turning so if you put the heating on timer for an hour it would stay on constantly as the time never changed.
    We replaced the timer over the weekend with a new unit but it is still not working correctly. If you put the heating on timer the clock will move will the heating is on but when the timed interval is up and the heating is off the clock will not move anymore. This effectively means that we cannot use the timer. I am wondering if some internal wiring behid the box has gone haywire? Also there is a power light on the new timer unit that is always lit...is this correct? Any suggestions greatly appreciated!
    From what you say, you have the live connected to the "out" instead of the "in" connection. The clock is connected to the "in" connection, so the clock only works when the heat is on.
    Because the live is connected to the "out" connection, the light stays on all the time, instead of just when the heating is on.
    Jim.


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