Zig problems
+2
rgermain
Wharfy
6 posters
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Zig problems
Hi looking for advice
I have a VW autosleeper Topaz year 1999
Leisure battery is fully charged and everything works on 240 v.
When on 12v lights work but water pump doesn’t
If lights are on and you turn on the water pump on Zig panel lights go off and nothing works.
Any help appreciated
Cheers Wharfy
I have a VW autosleeper Topaz year 1999
Leisure battery is fully charged and everything works on 240 v.
When on 12v lights work but water pump doesn’t
If lights are on and you turn on the water pump on Zig panel lights go off and nothing works.
Any help appreciated
Cheers Wharfy
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
Some one will be along soon, as plenty of advice about VW on here.
Hope you get it sorted.
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Richard
Hope you get it sorted.
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Richard
rgermain- Donator
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Posts : 3610
Joined : 2013-11-21
Member Age : 77
Location : Havant
Auto-Sleeper Model : Warwick duo
Vehicle Year : 2015
Re: Zig problems
Many thanks Richard
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
I am surprised you have not got any help yet, maybe out in the sunshine.
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Richard
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Richard
rgermain- Donator
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Posts : 3610
Joined : 2013-11-21
Member Age : 77
Location : Havant
Auto-Sleeper Model : Warwick duo
Vehicle Year : 2015
Re: Zig problems
Possibly. The problem only occurred recently so hoping it will easily be remedied
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
It's an unusual one, it seems! Presumably when you turn off the water pump everything else goes back to working normally???
Offhand I can't think of an obvious cause. If it were mine I would put a meter on every part of it, but can't do that remotely!
So... when you are on EHU, all of the 12V appliances work Ok. When disconnected from mains, any higher current appliance causes the 12V supply to fail?
I've seen exactly these symptoms, but in a very specific set of circumstances. It quite likely will not apply to you. Do you have a solar panel?
Offhand I can't think of an obvious cause. If it were mine I would put a meter on every part of it, but can't do that remotely!
So... when you are on EHU, all of the 12V appliances work Ok. When disconnected from mains, any higher current appliance causes the 12V supply to fail?
I've seen exactly these symptoms, but in a very specific set of circumstances. It quite likely will not apply to you. Do you have a solar panel?
Roopert- Member
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Posts : 3691
Joined : 2019-03-10
Location : South East
Auto-Sleeper Model : Trooper
Vehicle Year : 2005
Re: Zig problems
The water pump is possibly stealing all the capacity that the battery can provide !
Check the battery voltage off load and see what effect the pump has on this reading.
A healthy battery should have an off load reading of 12.7v or 12.8 v
The pump should not have a big effect.
Keith
Check the battery voltage off load and see what effect the pump has on this reading.
A healthy battery should have an off load reading of 12.7v or 12.8 v
The pump should not have a big effect.
Keith
KMRTOPAZ- Donator
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Posts : 866
Joined : 2014-12-26
Member Age : 91
Location : Sandbach Cheshire
Auto-Sleeper Model : Topaz T5
Vehicle Year : 2013
Re: Zig problems
Thank you both for your responses. Yes everything works when on EHU. Battery readings are good 12.7 When I switch off water pump the lights work. No solar panel. Really strange
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
Without being able to put test gear on it and measure voltages at various points it's pretty much impossible to diagnose a problem like this from afar.
But I would be looking at whether there is a fault in the connection from the negative side of the lights to the vehicle chassis. Faults like this are typically due to broken ground wires.
But I would be looking at whether there is a fault in the connection from the negative side of the lights to the vehicle chassis. Faults like this are typically due to broken ground wires.
Roopert- Member
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Posts : 3691
Joined : 2019-03-10
Location : South East
Auto-Sleeper Model : Trooper
Vehicle Year : 2005
Re: Zig problems
Ok thank you.....will get someone to check as I have no idea
Regards Wharfy
Regards Wharfy
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
In the past I've had a bad connection on a leisure battery fuse which only showed up when the load increased. Easy to spot since there will be heat damage. Also check the relay connections.
tee_cee- Member
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Posts : 24
Joined : 2020-06-07
Location : High Wycombe
Auto-Sleeper Model : Duetto
Vehicle Year : 1998
Re: Zig problems
Many thanks will get this checked out as we're novices. We've taken the front of the Zig panel off and all looks ok there....all was working well last Summer/Autumn and we have regularly taken van out to keep battery charged this year but last week we started to have this problem
Regards Wharfy.
Regards Wharfy.
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
I had a very badly corroded joint under the front seat of our Topaz, yes inside damp? which caused the hazard lights to flash at strange intervals. When I googled it there were loads of others who had the same problem.
Maybe you will get answer on Google, I found that VW's seem to be prone to electrical problems reading on forum sites, although our's was a T5.
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Richard
Maybe you will get answer on Google, I found that VW's seem to be prone to electrical problems reading on forum sites, although our's was a T5.
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Richard
rgermain- Donator
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Posts : 3610
Joined : 2013-11-21
Member Age : 77
Location : Havant
Auto-Sleeper Model : Warwick duo
Vehicle Year : 2015
Re: Zig problems
rgermain wrote:I had a very badly corroded joint under the front seat of our Topaz, yes inside damp? which caused the hazard lights to flash at strange intervals. When I googled it there were loads of others who had the same problem.
Agreed - it's a very common issue on pre-2010 T5's (later models did not have that control module under the driver's seat, so no vulnerable loom joint). But it should not have any effect on the habitation electrics, as far as I can tell.
Roopert- Member
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Posts : 3691
Joined : 2019-03-10
Location : South East
Auto-Sleeper Model : Trooper
Vehicle Year : 2005
Re: Zig problems
It is a mystery. Have checked all fuses and they seem ok
Thanks anyway for suggestions
Thanks anyway for suggestions
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
I'll say at the outset I know nothing about your van. A-S used to supply a wiring digram for their vans, until I suspect they outsources the electrical side to Sargent,
Just suggestions then, with the van off EHU, open a water tap and track back with a volt meter from the pump to its switch. The negative at the pump, looks to be grounded because it works on EHU, but connect a wire from the pump's negative to the chassis to check, does the pump still not come on, if not it's the positive where there's a fault. A switch or fuse are likely to be where there's a fault, a spade connector could also be in the frame. The switch which controls the pump, can you gain access, is the switch receiving power, if not it suggests a fuse issue?
Just suggestions then, with the van off EHU, open a water tap and track back with a volt meter from the pump to its switch. The negative at the pump, looks to be grounded because it works on EHU, but connect a wire from the pump's negative to the chassis to check, does the pump still not come on, if not it's the positive where there's a fault. A switch or fuse are likely to be where there's a fault, a spade connector could also be in the frame. The switch which controls the pump, can you gain access, is the switch receiving power, if not it suggests a fuse issue?
Relaxez-Vous- Member
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Posts : 1096
Joined : 2019-08-10
Location : Yorkshire
Auto-Sleeper Model : Kemerton XL
Vehicle Year : 2019
Re: Zig problems
Thank you for your suggestion. Tomorrow I'm getting someone to take a look at what you and others on here have suggested to remedy the problem. I will post the results here tomorrow. Fingers crossed it will be an easy fix
Regards
Wharfy
Regards
Wharfy
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
Not found fault yet but have someone coming with meter in the next few days to check all electrics etc
Wharfy- Member
-
Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
Re: Zig problems
Problem solved. It was a relay switch under the bonnet. Thanks again for your suggestions
Wharfy- Member
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Posts : 26
Joined : 2020-06-14
Location : Plymouth
Auto-Sleeper Model : Topaz
Vehicle Year : 1999
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