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led lights glow when turned off

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  • 20-04-2010 10:29pm
    #1
    doubledecker
    Registered Users Posts: 30 ✭


    Hey..
    So upstairs on my bus I have 3 sets of twin LED main voltage GU10 lights.
    When bus is plugged into mains, the lights all turn off fine.
    When plugged into bus's inverter,the LED lights continue to glow after being switched off. They are still glowing in the morning
    Only way to turn the 'glow' completely off is to turn off inverter.

    The Inverter is modified sine wave.... could this be the issue??
    Any other ideas?
    Cheers
    :confused:


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    #2
    colm_mcm
    Registered Users Posts: 73,401 ✭✭✭✭colm_mcm


    does the invertor have some sort of capacitors? you know like when you plug your laptop charger out and the LED stays lighting for a good bit


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    #3
    paddyp
    Closed Accounts Posts: 1,927 ✭✭✭paddyp


    doubledecker wrote: »
    Hey..
    So upstairs on my bus I have 3 sets of twin LED main voltage GU10 lights.
    When bus is plugged into mains, the lights all turn off fine.
    When plugged into bus's inverter,the LED lights continue to glow after being switched off. They are still glowing in the morning
    Only way to turn the 'glow' completely off is to turn off inverter.

    The Inverter is modified sine wave.... could this be the issue??
    Any other ideas?
    Cheers
    :confused:

    Firstly the inverter is probably using as much or more power than the leds so if you plan to spend a lot of time on battery I'd look at wiring in 12V ones.

    Few possibilities I can think of:
    1) Switch is multipols and when "off" it connecting to another circuit

    2) switch is faulty and providing a weak conduction path in the off position

    3) There is a weak conduction path through the chassis of the bus completing the circuit. Check the resistance between the chassis and the wiring.

    4) There is a high frequency component on the inverter output which is sufficient to excite the junctions in the leds.


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