Water pump (1 Viewer)

Sep 12, 2012
1,683
3,336
Wengen
Funster No
22,871
MH
A/S Broadway EL 2021
Exp
Since 2010
Just recently, when we turn on a tap & the water pump runs, it causes the TV to turn off, due I guess to a sudden power drain? it also dims the lights for a millisecond. Can't remember it ever happening before, suggestions please? Thanks o_O
 
Aug 6, 2013
11,953
16,570
Kendal, Cumbria
Funster No
27,352
MH
Le-Voyageur RX958 Pl
Exp
since 1999
What you describe is caused by the battery voltage not holding up. This will happen if your battery is close to being discharged or (for example) a poor connection at either battery terminal. Does it still happen when on EHU?
 
Mar 26, 2009
8,162
11,220
Yr Wyddgrug
Funster No
6,057
MH
Hymer B678DL
Exp
Since 2009
I've just had the same problem with exactly the same symptoms. On closer inspection a white plastic multi- connector close to one of the hab batteries was getting hot when any substantial load was applied. (The Eberspacher on start-up, requires quite a few amps.) I suspect the connector had become loose over time. Fortunately I had a similar spare connector in the garage. Replaced and now it appears fine.

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teensvan99

Free Member
May 17, 2015
231
250
Margate
Funster No
36,402
MH
coachbuilt
Exp
2005
Best thing to do is put a voltage test on battery and as stated check all connections. Bad connections cause heat in the wiring and heat in the wrong place in the van can be a bad bad thing. A charged battery should be about 12.7 to 13.5 after charging and letting it settle for a couple of hours. Battery flat at 12.0>1 volts.

steve & ann. ------------ teensvan
 

maxi77

Free Member
Mar 20, 2013
892
560
Kingdom of Fife
Funster No
25,172
MH
coacbuilt
Exp
newbie
It could also be the water pump motor being on the way out drawing a lot of power. Mind you poor connections is probably the most likely although one weird one I have had was a partly blown fuse which could not carry the big current.
 
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OP
simbadog
Sep 12, 2012
1,683
3,336
Wengen
Funster No
22,871
MH
A/S Broadway EL 2021
Exp
Since 2010
Thank you :) Fitted new leisure battery & checked all connections, will monitor & report back!

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