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Thread: Bilge pump woes

  1. #1
    Join Date
    Jul 2007
    Location
    Tollesbury Essex/ Brittany
    Posts
    279

    Default Bilge pump woes

    So. The bilge pump stopped working and on examination I found a loose wire. Simple I thought just reconnect it but no still not working. Remove pump and connect directly to the battery and yes it works.
    There is a bilge pump push button reset switch in the panel but it does not appear to have tripped.
    The reset switch looks like a Klixon 10 amp thermal circuit breaker but am having trouble locating one.also why would it trip if it was just a loose wire?

    Is there a way to test this unit

    Iím thinking of removing it and connecting the two wires together to see if that get the pump going .
    Per Mer et Terre

  2. #2
    Join Date
    May 2003
    Location
    Fareham
    Posts
    570

    Default Re: Bilge pump woes

    Quote Originally Posted by mcalan View Post
    So. The bilge pump stopped working and on examination I found a loose wire. Simple I thought just reconnect it but no still not working. Remove pump and connect directly to the battery and yes it works.
    There is a bilge pump push button reset switch in the panel but it does not appear to have tripped.
    The reset switch looks like a Klixon 10 amp thermal circuit breaker but am having trouble locating one.also why would it trip if it was just a loose wire?

    Is there a way to test this unit

    Iím thinking of removing it and connecting the two wires together to see if that get the pump going .
    If the circuit breaker has tripped it should be "Sticking out" If you cannot push it back in it probably hasn't tripped. However it could be faulty, can't really tell without seeing it. Have you got a multimeter so that yo can check if you have voltage at the output of the breaker. You should be able to measure between the output terminal and the negative busbar, assuming it is single pole. Again with out seeing the actual set up difficult to diagnose for further faults. Is there possibly another fuse in the circuit? The breaker could have tripped if the loose wire had shorted, don't know the polarity of the loose wire!

  3. #3
    Join Date
    Jul 2002
    Location
    Home: Kent. Boat: Chichester
    Posts
    43,329

    Default Re: Bilge pump woes

    Quote Originally Posted by mcalan View Post
    So. The bilge pump stopped working and on examination I found a loose wire. Simple I thought just reconnect it but no still not working. Remove pump and connect directly to the battery and yes it works.
    There is a bilge pump push button reset switch in the panel but it does not appear to have tripped.
    The reset switch looks like a Klixon 10 amp thermal circuit breaker but am having trouble locating one.also why would it trip if it was just a loose wire?

    Is there a way to test this unit

    Iím thinking of removing it and connecting the two wires together to see if that get the pump going .
    No it should not trip just because of a loose wire but as pointed out it would if the wire shorted to the other connection, or to earth/ negative if its the positive wire

    You could bypass the circuit breaker by connecting the two wires together but do so cautiously in case there is a short circuit down the line somewhere. Linking them with a 10 amp fuse would be prudent.
    If all is well with the pump and the wiring the pump should run normally without blowing the fuse. and suspicion would then be focussed on the circuit breaker. If the fuse blows then there is a problem with the pump or the wiring.

    You could check for a supply on the inlet and outlet sides of the circuit breaker. I would use a small 12 volt bulb on a couple of leads rather than a digital multimeter because digital meters take so little current that they can easily give an apparently normal reading when they shouldn't.

    Google will easily locate a replacement Klixon circuit breaker if necessary.
    Last edited by VicS; 16-06-19 at 09:18.

  4. #4
    Join Date
    Jul 2007
    Location
    Tollesbury Essex/ Brittany
    Posts
    279

    Default Re: Bilge pump woes

    Hi, thanks for the reply the button is not sticking out and does not seem to move when pressed I think the wire which came off was the positive I at home now so can’t use the meter.
    Can I by pass this reset button
    Per Mer et Terre

  5. #5
    Join Date
    Jul 2002
    Location
    Home: Kent. Boat: Chichester
    Posts
    43,329

    Default Re: Bilge pump woes

    Quote Originally Posted by mcalan View Post
    Hi, thanks for the reply the button is not sticking out and does not seem to move when pressed I think the wire which came off was the positive I at home now so can’t use the meter.
    Can I by pass this reset button
    See what I say above about doing so with a fuse

  6. #6
    Join Date
    Jul 2007
    Location
    Tollesbury Essex/ Brittany
    Posts
    279

    Default Re: Bilge pump woes

    6ADAE179-F366-4CAB-9790-0765C05F7470.jpgOk thank you Klixon thermal breakers are a bit difficult to find am thinking of trying a different make
    Last edited by mcalan; 16-06-19 at 09:41.
    Per Mer et Terre

  7. #7
    Join Date
    Jul 2007
    Location
    Tollesbury Essex/ Brittany
    Posts
    279

    Default Re: Bilge pump woes

    Quote Originally Posted by mcalan View Post
    6ADAE179-F366-4CAB-9790-0765C05F7470.jpgOk thank you Klixon thermal breakers are a bit difficult to find am thinking of trying a different make
    Am I right in thinking if I remove the breaker and put it into a test circuit from the negative to positive on the battery with a bulb the bulb should illuminate
    Per Mer et Terre

  8. #8
    Join Date
    Jul 2007
    Location
    Tollesbury Essex/ Brittany
    Posts
    279

    Default Re: Bilge pump woes

    Vic can you please expand on how I test the breakers inlet and outlet
    Per Mer et Terre

  9. #9
    Join Date
    May 2016
    Location
    Suffolk
    Posts
    7,646

    Default Re: Bilge pump woes

    Quote Originally Posted by mcalan View Post
    Vic can you please expand on how I test the breakers inlet and outlet
    Disconnect one wire and test for continuity between the two connections, no need to wire it up to a power supply. I take it you have a multimeter ?
    Last edited by PaulRainbow; 16-06-19 at 10:31.
    Rainbow Marine.
    www.rainbowmarine.co.uk

  10. #10
    Join Date
    May 2016
    Location
    Suffolk
    Posts
    7,646

    Default Re: Bilge pump woes

    Quote Originally Posted by mcalan View Post
    6ADAE179-F366-4CAB-9790-0765C05F7470.jpgOk thank you Klixon thermal breakers are a bit difficult to find am thinking of trying a different make
    This will be an OK replacement (assuming you need a 10a breaker)

    https://www.rapidonline.com/techna-t...t-tabs-26-7742
    Rainbow Marine.
    www.rainbowmarine.co.uk

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