P5 no flow

Discussion in 'Water Fed Pole Cleaning' started by rafawindowcleaning, Sep 5, 2015.

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  1. rafawindowcleaning

    rafawindowcleaning Well-Known Member
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    As above P5 on the cntroller and no flow all of a sudden. Also pump has gone quiet. Tried recalibrating and gone up with cal from 63 to 85 but no change. Spring controller. Battery showing 12.3 so should be fine. All equipment 5 months old - battery pump and controller. What could be the problem chaps and how to fix it ?
     
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  2. rafawindowcleaning

    rafawindowcleaning Well-Known Member
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    Anybody? The only idea I had was to put battery on a worktop charger overnight as has gone quiet and I do not have a split relay charger and hasnt been charged for a few days now. So will see in the morning. Failing that any other ideas?
     
  3. peter rogers

    peter rogers Grand Master
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    check back in morning when u fully charge it
     
  4. little j

    little j Member
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    PS is pressure switch or motor disconnected, if the pressure switch has activated relive the pressure and sometimes they need a little "tap" to unstick it; if the motor is disconnected check the wiring.
     
  5. rafawindowcleaning

    rafawindowcleaning Well-Known Member
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    little j how do i know if it is pressure switch or motor dosconnected?
     
  6. peter rogers

    peter rogers Grand Master
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    check the 2 leads going into the pressure switch one might be damaged
     
  7. little j

    little j Member
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    Follow the wires from the pump to the controller
     
  8. rafawindowcleaning

    rafawindowcleaning Well-Known Member
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    All wires seem where they supposed to be tight. No loose wiring as far as I can see. Hard to take good photos as hosing is in the way. Also battery disconnected at the moment
     

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  9. spruce

    spruce Grand Master
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    On the first picture with the pump you will see 2 red wires. Pull the terminals off and stick a short piece of wire into each of them. This way you are by-passing the pressure switch. If it works, then you need a new pressure switch. If not then the problem is else where.

    Then check the fuse.

    Then take the pump off and put the black wire on the negative battery terminal of your vehicle battery and the red on the positive. The pump should run. If it does then the problem is not the pump, its elsewhere.
     
  10. rafawindowcleaning

    rafawindowcleaning Well-Known Member
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    So... it looks like a pressure switch might be at fault. Ordered one on ebay already. For future reference where is the fuse on shurflo pumps? I was looking for one and couldnt see one? Do they look like fuses in a car?
     
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