Leisure Battery

[SallyRandall36]

Hello,
We have a Luna Clubman and purchased a new battery before our last trip in July.
We have had the battery at home trickle charging as not away again until this weekend and we have been down to the storage site to connect all up and get her ready to go however the battery works for the motor mover but not inside the caravan itself.
We have disconnected the motor mover, checked all fuses, checked system shutdown etc but still getting no power in the van or on the display panel at all.

Does anyone have any ideas please?
Hoping this is one of those really easy caravan things that you don't come across unless you need it!

TIA

 

[Jcloughie]

The obvious culprit is the 20 amp inline fuse under the bunk behind the battery box. This fuse feeds all 12volt but not the mover.

Follow the live lead from the back of the box. It should be within 2 feet.

Oh, and welcome to the forum.

John

 

[SallyRandall36]

The obvious culprit is the 20 amp inline fuse under the bunk behind the battery box. This fuse feeds all 12volt but not the mover.

Follow the live lead from the back of the box. It should be within 2 feet.

Oh, and welcome to the forum.

John

Hi John,

We found this last night and checked it - doesn't show any signs of being blown - the confusion continues 😂

And thank you

 

[Jcloughie]

Hi John,

We found this last night and checked it - doesn't show any signs of being blown - the confusion continues 😂

And thank you

If you have a multi metre, that fuse is a great place to start doing checks for voltage.

John

 

[SallyRandall36]

If you have a multi metre, that fuse is a great place to start doing checks for voltage.

John

We've got one but it's got lots of settings with unfortunately few instructions so we gave it a go last night but nothing picking up. Going to try and download the manual for it and try again tomorrow.
Sally

 

[Ferrodo]

As a quick check just replace the fuse with new. Just as a maybe you understand. Fuses may look good but not necessarily so

 

[SallyRandall36]

Ok thank you - will order a new one now

 

[Ferrodo]

Halfords…… ten a penny

 

[SallyRandall36]

Just ordered the 125 one on amazon. Have a spare set of the smaller ones already in the van so fingers crossed 🤞

 

[ProfJohnL]

Just ordered the 125 one on amazon. Have a spare set of the smaller ones already in the van so fingers crossed 🤞

125? The fuse should be a 20Amp rating

 

[SallyRandall36]

That might just be the numbers on it. I've ordered the one we took out and checked between the main board and the battery

 

[Ferrodo]

Is this to do with the movers??? 125 amp no never.

 

[SallyRandall36]

No this is the fuse inside the van which is connecting the red lead to the system/fuse boxes. Never had any problems with it before now

 

[Ferrodo]

There are better qualified people on this forum than me but there is nothing in a caravan that merits that kind of amperage fuse. Something out of wack here I think.

 

[SallyRandall36]

Ok thank you

 

[Jcloughie]

Expect to find something like this.



Here is a link to the fuses. £1:97 for 10

[

John

 

[SallyRandall36]

Expect to find something like this.

View attachment 5437

Here is a link to the fuses. £1:97 for 10

[

John

 

[SallyRandall36]

We've got a similar casing but midi inline fuse- looks like this

 

[Jcloughie]

We've got a similar casing but midi inline fuse- looks like this

I can only guess that you are tracking the positive feed to the motor move which can have a very high draw on start-up. Possibly around 100 amps. You are looking for the 20 amp fuse which protects the whole 12 volt system.

You should find two wires coming from the positive terminal on the battery and out of the back of the battery box. One will be much heavier than the other. That’s the mover. You want the other one.

John

 

[Buckman]

Have you switched on the 12v system as it is a separate switch to the other switches? The motor mover will still work if the 12v switch is in the off position.

 

[Dustydog]

Welcome to the Forum Sally.
The fuse image you posted is without doubt the type used on my Powrtouch mover rated correctly at 125 amps. It is nothing to do with the Lunar‘s 12 v system.
I understand why you are struggling with the multimeter. Why not use the good old fashioned wire and bulb in screwdriver tester?
Connect the wire end to the negative battery terminal.Then touch the positive battery terminal with the probe. Light or no light?Now inch by inch follow the non motor mover red cable until you reach the 20 amp fuse.They can be anywhere but usually will be less than 12 inches from the battery and more commonly inside the battery compartment..All good both sides of the fuse ? Then keep going following the cable to probably the charger 12v box of tricks.
Basically you are following the exact path of the current in an ordered fashion. Hope this helps.

 

[Paullus1959]

To emphasise what Buckman said, have you by any chance forgotten to set the master switch on the control panel, usually above the door, to on?

 

[Jcloughie]

To emphasise what Buckman said, have you by any chance forgotten to set the master switch on the control panel, usually above the door, to on?

The master isolation switch on my Clubman was on the consumer unit. As well as another on the control panel.

John