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Subject Topic: Truma Ultraheat 230v Fan blower problem
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06/9/2015 at 4:41pm
 Location: Yorkshire
 Outfit: Motorhome
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Hi,
Hoping someone may be able to give me some info on a problem I have with my heater.
I have a 2001 avondale land ranger, the heater is a truma ultraheat 230v, the problem is that the fan is not working in it, the heater is fine and is working on all 3 power settings, just can't get the fan to work.....anyone else had the same problem??
many thanks for any or all help.


06/9/2015 at 5:15pm
 Location: Rochdale
 Outfit: Hymer Nova 470 Mondeo titanium 140tdc
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Have you taken the front off and pressed the connection back onto the switch? This s a common fault on mine.


-------------
Bill

For a licence dated 1997 or later you must add together the plated max weight of the caravan and trailer, if the total is 3500 or less you can tow it. You may even tow a caravan with a MAM greater than the cars unladen mass the restriction was removed in 2013

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06/9/2015 at 6:09pm
 Location: Yorkshire
 Outfit: Motorhome
View paulchristy's Profile View Profile   Reply to paulchristy Reply   Quote paulchristy Quote  
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Hi, yes, took the front off earlier,disconnected the plug from the pcb board/switch, all seemed good there,have you any idea what im looking for if I put a circuit tester across the plug, which wires etc??
thanks


06/9/2015 at 6:41pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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I seem to remember that the actual blower fan is a separate unit to the rest of the fire anthough part of the combination, it runs off a 12 volt supply so a bit easier to work with.

Dave

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


06/9/2015 at 6:49pm
 Location: Yorkshire
 Outfit: Motorhome
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Yes Dave it is, it works independent of the heater on a 12v supply but I think the control pcb for the fan is also inside the housing that the heater pcb sits in? it could be the pcb board underneath the switch that is fried but I have no idea which wires to jump on the connector to get the fan to run?


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06/9/2015 at 8:35pm
 Location: None Entered
 Outfit: Kia Sportage & Sterling Eccles 584
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Why on earth they need to put a pcb on such a simple device is beond me, even our wc flush has a pcb, good luck sorting it.


06/9/2015 at 9:26pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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Yes, don't you just love technology, , fine when it works but such a pain when it doesn't.

The first thing I would be looking for as a clue would be the wiring colours, hopefully they have red for +12v and black for negative return? It may just be a variable resistor. There is always Gary at www.arcsystems.biz if you get stuck.

Dave

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


07/9/2015 at 8:12am
 Location: SHROPSHIRE
 Outfit: Avondale argente 530 5
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Test if 12v is getting to the motor, could just be brushesor the motor it self may be goosed.


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LB Caravan Services
Mobile service and repairs
07902012609 / 01948662374


07/9/2015 at 2:47pm
 Location: Yorkshire
 Outfit: Motorhome
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Thanks for the help guys!

I have put a tester on the two wires that go into the back and all is good with 12.6v, should I take the motor module out now or is there a way of bridging in situ to test the motor?


07/9/2015 at 3:23pm
 Location: Yorkshire
 Outfit: Motorhome
View paulchristy's Profile View Profile   Reply to paulchristy Reply   Quote paulchristy Quote  
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Success !!!!!!

I decided that even tho its a bugger to get to, that I would remove the fan unit and after half an hour of fiddling about I managed to get the motor out, connected it up to a car battery and there is nothing there at all, if you pull on the shaft/spindle then it does spin but very reluctantly.......a new motor it is then!!

Many thanks to all who gave input :-)
Paul.


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07/9/2015 at 4:01pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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Well done mate for persivering, almost there and saved a few quid into the bargain, what's not to like?

Dave.

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


07/9/2015 at 4:09pm
 Location: Yorkshire
 Outfit: Motorhome
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cheers Dave .
ordered one from ebay.....£50...wow !
Had a good look around the web but couldnt find anything remotely the same so I paid the good man on ebay.

how do you post pictures on here by the way?


07/9/2015 at 7:41pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
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Good man, you did your best n sometimes there ain't a cheaper way of doing it. There is the second-hand route but it's difficut, you may end up with another that fails in a short while and after all the hassle you've had getting it out, you don't want to do it again.

Pictures eh? I must admit I struggle a bit on that one. There is a 'Sticky' walk-through done by Papa Pip that I had some success with, you need to get a picture 'Hosting site' like Photobucket to send and host your images, have a look, it's worth a go.

Dave

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


09/9/2015 at 6:22am
 Location: Yorkshire
 Outfit: Motorhome
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Motor all fitted and fire re-assembled and all working very well indeed :-)

Now to find out why my Electrolux Blizzard 1500 aircon heater isnt getting warm.


01/1/2016 at 4:27pm
 Location: None Entered
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Hi all! ☺
I have a Truma ultraheater 230v. Its been working fine, but now, on the same settings as usual, the heat doesnt come through the outlets as it normally does. Does anyone have any advice, so i can have a look and maybe replace something if needed. TIA


01/1/2016 at 5:27pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
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Hi Caravan King and welcome to the forum. You may get better results to your inquiry if you started your own new tread, in the meantime -

1) does it work on gas?
2) is the little green LED lit on the controller panel?
3) is there an in-line fuse that has blown?
4) is there any heat on any wattage setting without the fan running?

Dave

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.



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