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Paul T

  • Posts: 207
U on my varistream controller
« on: April 03, 2014, 02:39:28 pm »
Afternoon guys , got the letter I come up on my varistream controller and pump won't work !!
What's the problem ?
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gto

  • Posts: 682
Re: U on my varistream controller
« Reply #1 on: April 03, 2014, 02:52:10 pm »
uncharged, i think.

your battery needs charging
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Spruce

  • Posts: 8690
Re: U on my varistream controller
« Reply #2 on: April 03, 2014, 03:29:01 pm »
You would have had an L come up when the battery voltage dropped to 11.5v.

The U means that the battery voltage is below 10.3 and the controller has cut the power to the pump to prevent you damaging your battery.

As per goto - the battery desperately needs charging.
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Paul T

  • Posts: 207
Re: U on my varistream controller
« Reply #3 on: April 03, 2014, 04:02:08 pm »
Cheers spruce .i charged the battery last night and it only lasted 4 hours .
Leisure battery is 2 years old does that mean u need a new one ?
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R W C™

  • Posts: 1649
Re: U on my varistream controller
« Reply #4 on: April 03, 2014, 04:07:51 pm »
Under pressure, if it happens again while working turn it off and make sure that if you have a tap on your hose that it's open, turn varistream on and it will run but as soon as you stop the water on tap or pinch hose etc the U will come back
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Paul T

  • Posts: 207
Re: U on my varistream controller
« Reply #5 on: April 03, 2014, 04:10:09 pm »
Thanks fellas .
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Ian Sheppard

  • Posts: 1246
Re: U on my varistream controller
« Reply #6 on: April 03, 2014, 04:17:59 pm »
I Came across this article recently it explains well what happens with the battery during charge/discharge cycles
Battery Basics: http://www.progressivedyn.com/battery_basics.html

It may also be worth checking your cables for any damage or wear, Poor or broken connectors can lead to a voltage drop between the battery and your Varistream.
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James chapman

  • Posts: 147
Re: U on my varistream controller
« Reply #7 on: April 03, 2014, 05:05:39 pm »
I've noticed this on mine. Usually have my dig varistream on 4. Turned it up to 5 for a job I only do every few months yesterday and it went to u. Turned it back down to 4 and it was fine. Was the last job of the day. My leisure battery is also about 2 years old. Maybe time for a replacement
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Clever Forum Name

  • Posts: 5942
Re: U on my varistream controller
« Reply #8 on: April 03, 2014, 05:10:58 pm »
Quote from: James chapman on April 03, 2014, 05:05:39 pm
I've noticed this on mine. Usually have my dig varistream on 4. Turned it up to 5 for a job I only do every few months yesterday and it went to u. Turned it back down to 4 and it was fine. Was the last job of the day. My leisure battery is also about 2 years old. Maybe time for a replacement

Same here (well was) Pump is drawing more powwwwaar from battery and throwing up the U

u = is basically the cutoff 10.3/10.6/10.5V volts showing on battery.
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Dave Willis

Re: U on my varistream controller
« Reply #9 on: April 03, 2014, 05:12:28 pm »
Yep. L = Low Battery
       U = Undervoltage
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Clever Forum Name

  • Posts: 5942
Re: U on my varistream controller
« Reply #10 on: April 03, 2014, 05:36:54 pm »
Quote from: Dave Willis on April 03, 2014, 05:12:28 pm
Yep. L = Low Battery
       U = Undervoltage

Flashes L first then when it's too low U flashes and eveything goes into meltdown ;D
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