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Hi Everyone,

We are away this weekend for our 1st time in our 2008 Bailey Provence staying at at Moreton-in-Marsh, Glos. When we arrived yesterday is was cold so we switched on the Truma heater on electric on the 2000w setting and it heated the van fine. Overnight we left it on the 1000w setting as we new it would be cold (and we have a 15 month old) with the fan setting on auto. Sometime during the night the heater appeared to stop working and the fan was blowing out cold air (dropped to 11oC in the van!). I have tried it again this morning and again it got hot for a short while then appears to go cool again. On the the last try 10 mins ago I can't get any heat to come out at all. I have tried the thermostat on all the settings between 1-9 and it doesn't seem to make any difference and have tried it with the fan on & off. There is a 5a fuse in the consumber unit marked "fire" which appears ok and I assume the fuse under the main 240v heater switch (on the wall next to thermostat) is also ok as when the switch is turned on the green light on the thermostat comes on. All the trips also appear on. The fire runs fine on gas just seems an electric issue. I don't think our dealer is open today to ask for advice so was hoping someone on here might be able to suggest something? The van is under warranty so we can get them to check it next week but it will just mean we have to run on gas for the next 5 days!

If I have missed something feel free to give some advice!

Many Thanks

Darren 

If you need manuals send me a email ( email link below ) , i have a electrical one that has basic fault finding , it recommends disconnecting the room sensor and rechecking .

atb

Wizard

Thanks Wizard,

I will drop you an email in a bit when we get back to the van.

After leaving it 30 mins and turning it all off it now appears to be working again......any ideas? My thought was maybe the thermostat is playing up and now its cooled its working again? Hopefully its a one off else its back to the dealers next week.

I will need to keep an eye on it tonight as don't fancy another night of a crying toddler at 2am because they got cold! Thankfully I just remembered we have a small fan heater with us for emergency / awning use so will set this up tonight it case its needed!

I take it the best thing overnight is to leave it on 500 or 1000w with the fan set on a low (2-3) setting?

I tend to leave mine on 500w all night , but don't normally use the blower .
My space heater used to blow cold and i fixed it by adding a remote temp sensor .
See Gary's advice  Click_here

atb

Wizard

Quote: Originally posted by Jax365 on 06/4/2012

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Put the baby in bed with you! Buy some hot water bottles - hoping most of the shops will be open as it's a tourist location....there's a hardware shop on the main street.

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Hi,

Yes thankfully all the shops are open today I am sure its something to do with the internal thermostat's as it wouldn't work 2 hours ago but now I have left it turned off for a while it has heated up when set to the 2000w setting and 7 on the room stat! I am going to leave it on now with the fan running and see how long it lasts. Spoken to the dealer (oxford caravans) and their workshops aren't open now till Tuesday so think we will have to drop by there on the way back on Wednesday........as I say luckily we have a small fan heater we can use as a stop gap, or run the main heater on gas!

I am open to any other ideas if someone else has any??? Having looked at some of Gary's posts from arc systems he refers to 2 internal thermostat's so I wonder if one of these is causing the problem?

You should have fridge vent covers fitted to the outside vents when the temperature drops below 10 degrees C , as they stop over cooling .

atb

Wizard

Quote: Originally posted by wizard9956 on 06/4/2012

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You should have fridge vent covers fitted to the outside vents when the temperature drops below 10 degrees C , as they stop over cooling .

atb

Wizard

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Quote: Originally posted by wizard9956 on 06/4/2012

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I tend to leave mine on 500w all night , but don't normally use the blower .
My space heater used to blow cold and i fixed it by adding a remote temp sensor .
See Gary's advice  Click_here

atb

Wizard

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I left mine on 500 all last night without the fan too and it was fine. Might be worth trying that tonight - at least if you have to use the fan heater the caravan will not have to heat up from stone cold!

We are having the same problems with the heater in our Lunar. Its going in for service this week and we've asked our dealer to have a look at the heater. I'm hoping it will be cured but we'll have to see what they find. Its very frustrating as sometimes it works as it should but sometimes it doesn't work as it should.

Quote: Originally posted by arc systems on 07/4/2012

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First, the fire is 2kw so cannot run on full heat on a 5A fuse?! it should be 10amp.

One of the common problems with this heating is the two 'limit' thermostats, they monitor the gas flue temperature operate at 125C and 175C to stop things getting to hot if gas and electric is used together.
The problem is they become mechanically faulty and develop minds of their own, this sounds like a possible cause of your problem, as is, a fault with the mains isolation 'fused switch spur'.

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