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Subject Topic: Water Pump Problem? Post Reply Post New Topic
PersonDave11
19/4/2018 at 8:00am
 Location: Sussex
 Outfit: Swift 645 Elegance - Range Rover Sport View Dave11's Profile View Profile   Reply to Dave11 Reply   Quote Dave11 Quote  
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Can anyone help please?
I have an inboard water tank in my Elddis Crusader, when the water supply is switched to run from the inboard, it all works perfectly but
when you turn the tap off, the pump continues to run?
If you switch the control panel switch to run from the Aquaroll, the pump
stops fine when the tap is turned off?
The fact that it works fine from the Aquaroll , makes me think all the
taps micro switches are ok. The pump just won’t turn off when switched
to the inboard tank?


PersonGreg M
19/4/2018 at 8:13am
 Location: South Wales
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Hi,
Is it definitely micro switches or a pressure switch?.
If the latter could the onboard tank have a drain that is passing ?.

Regards,
Greg

-------------
Growing old is not for sissies


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PersonDave11
19/4/2018 at 8:38am
 Location: Sussex
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Hi Greg
I think you may be right in that the system is pressure fed ?
My Crusader is a 2015 and I think it is pressure fed?
I will check the drain tap is fully closed , if it is any other thoughts , bearing in mind it’s working perfectly when running from the Aquaroll, just the pump won’t turn off when switched to draw water from the inboard?
Thanks


PersonJohnnie Boy
19/4/2018 at 9:58am
 Location: Cleveland
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Sounds like there's air in the suction line, maybe a partial blockage. I had a similar problem pumping out of the aqua roll. gave the suction line a shake and it cured it.
Try disconnecting the feed into the pump and blowing through it, if it's convenient.

Post last edited on 19/04/2018 10:02:03


PersonDave11
19/4/2018 at 10:20am
 Location: Sussex
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Hi Johnie Boy
I don’t think it can be a blockage in the line as when switched to inboard, the water comes out fine from all the taps.
It’s when you switch the tap off , the pump continues to run ?


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PersonJohnnie Boy
19/4/2018 at 12:45pm
 Location: Cleveland
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If it's controlled by a pressure switch, then the system is not getting enough pressure build up to activate the switch.

Must be a problem with the delivery line from the onboard tank as you say when taking water from the aqua roll things are fine ...or is there a none return valve passing. (if there is one)

Guess you can check that by looking at the pickup pipe in the aqua roll. Don't know the system just trying to help.

Anyway that's my thoughts on it...



PersonPterodactyl
19/4/2018 at 1:56pm
 Location: None Entered
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If you have a Whale system with flashing led on the inside of the water inlet (bottom left on mine, but totally different model), you may need to re-calibrate. There are a lot of steps and I don't have the manual to hand, but it is quite easy and is in the caravan manual. I recall that you start by pressing the led itself for so long, run the cold water in the shower, then re-presented the led, but there are set time intervals. I've found that even when the led flashes at the correct rate, once a second I think, occasionally it still needs recalibration.

Your van may of course be totally different, but hopefully this might help.

Pterodactyl

Post last edited on 19/04/2018 14:02:15


PersonDave11
21/4/2018 at 11:36pm
 Location: Sussex
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Hi all

I am returning home tomorrow and still have the same problem
with the pump not turning off when drawing water from the inboard tank.
We moved to a different site today and the problem is getting worse in that I can’t now fill the inboard tank at all, yet the taps and pump drawing water from the Aquaroll works perfectly.
When there was water in the inboard (before we drained it) it pumped water to the taps all ok, it just wouldn’t turn the pump off and the yellow light stayed on .
Now when I switch to external to fill the inboard , it won’t even fill?
I have tried a new pump in the Aquaroll but does not make any difference?
I am going to try and find the fault when I get home, does anyone have any ideas where to start?
Thanks .


PersonDave11
08/5/2018 at 8:48am
 Location: Sussex
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Hi all
Thanks for the feedback.
You weren’t far off the mark Johnnie Boy!
Looking at the Whale schematic, it was clear there is a fine gauze filter in the ‘water in ‘ feed’ through the solenoid unit near the inboard tank. I removed the solenoid and there was indeed some debris blocking the filter. I removed the filter and cleaned it with a toothbrush.
Replaced the unit and now works great, inboard fills really quickly now , as good as new!


PersonDave11
08/5/2018 at 8:53am
 Location: Sussex
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As a footnote , when I removed the filter , it had a conical shape with a cupped edge.
Remove it carefully, noticing which way it came out, to replace it after cleaning. This is obviously an important feature to its operation


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Personblueexpo97
08/5/2018 at 9:47am
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Dave there is a post edit button for use up to two hours after posting.

-------------
XVI yes?

As well is two words!
How does a sage know everything about everything? or does he? or does he just think he does?
Remember, if you buy something you bought it, not brought it.


PersonJohnnie Boy
08/5/2018 at 9:47am
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Glad you got it sorted



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