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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE

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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 10:52 AM
Barrie
Joined 9 Aug 2005
7 posts

HELP !!... Please..
I have just purchased my first caravan.. a pre-owned Award Daystar which has a "Carver" heater installed. There seems to be no controls attatched to the heater, and no instructions for use any-where.( The heater is only for heating the van, and not the hot water, as that is done by a "Carver 2" very well)
Has any-one got, or knows where I might get hold of some operating instructions?.. Thanks a lot..

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 11:32 AM
gary
Joined 13 Mar 2002
2288 posts

Sounds like you have a 'Caravelle' SBE1800, the 'E' stands for electronic and the control switch for it should be on the wall. Switching it on and setting a temperature on the dial is all you need to do and the fire will switch on and off automatically....if it works?.
Most important and the first thing to check, (and this applies to any 1800 series fire), is the gas pipes where they come out under the van. These are made of steel and corrode badly where they join the main copper pipework and is a common cause of a gas leak. A few early SBE's are fed direct with copper but later ones have one short piece of steel pipe, all the rest of the 1800's have two steel pipes.
If these seem OK, the gas and 12 volts is switched on then it should light but if the green light starts to flash after about 8 seconds then you have a problem.

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 12:10 PM
Barrie
Joined 9 Aug 2005
7 posts

Hello Gary,
Thankyou for that Info.. Yes the controll unit does say caravelle..
Now.. I have found the switch, located elswhere, and there does seem to be some "clicking" at the heater when switching on. However, the green light on the control panel does not come on at all, and the appliance does not seem to light. There is a smell of gas after a few attempts to "fire" it up, so gas has now been disconected, untill it is sorted.
I have followed the wiring through to cupboards, underneath the control panel, and there is a Blue wire (from the top connection inside the panel) which is not connected to anything..can I get hold of a wiring diagram, or are you able to help me with this..
Thanks a lot so far... (this could go on a bit !!)... Barrie

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 2:40 PM
colin
Joined 8 Aug 2005
5 posts

Hi there, Can anyone help?

We've had our Lunar Clubman (1990) about 2 years now and it's been fine. Last trip away the fuse (No5?) for the Carver Water Heater blew. We changed it and it blew again. Any ideas anyone? We thought it might mean the filter needs changing but can't get it off, will need to buy a tool to get it off but in the meantime if anyone knows why the fuse would blow after years of no problems can they let us know. Many Thanks!


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 3:15 PM
gary
Joined 13 Mar 2002
2288 posts

The blue wire from the control switch is 12 volts to the gas valve so if thats not connected you should not be smelling gas?!
So first thing is as I said check the pipe.
The green light should come on regardless so the switch sounds faulty.
The other wires are
red 12 volts up to the switch
yellow is flame sensor
white is not use and not connected at the other end
black is earth
blue gas valve
green spark
At the fire end with the exception of the thin dark blue wire to the gas valve, lighter blue thicker wires are used to earth. These should come together with the black wire from the switch and are generally screwed to the base plate.


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 3:40 PM
-  Edited by gary 9 August 2005, 3:45 PM
gary
Joined 13 Mar 2002
2288 posts

Not sure why you think the filter should have anything to do with the water heater and blowing fuses but you should already have the best tool for removing it?.
A standard pair of pliers, (even better with rubber grips), using the handles in the filter and turning with a stout screwdriver though the handles will force the tips of the handles into the corners of the filter and unscrew it without harm. Particularly in cold weather but anytime if it is really stiff, a hair dryer to warm the filter housing does no harm either.
Stop it jamming again by using silicone grease for lubrication or at a pinch use cooking oil but DO NOT use Vaseline.
The Cascade 2 water heater should be fused at the control switch with two 1amp fuses, (on later un-fused push button switches a fuse is in the 'burner module and this is also one amp). So assuming your No5 fuse is 10 amps it won't be the water heater causing the problem although it maybe the water pump?.

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 4:31 PM
colin
Joined 8 Aug 2005
5 posts

Hi Gary,

Thanks for the response and you are right. It is the water pump fuse that blows not the heater. My apologies I got the two mixed up. The scenario is that the fuse for the water pump continues to blow immediately if I replace it. I wondered wether this was normal when the pump is broken or the filter needs changing. I don't think the filter has been changed for years but the water pump was working one weekend and now the fuse blows all the time. Can you help at all. Thanks Colin


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 7:06 PM
gary
Joined 13 Mar 2002
2288 posts

A quick way to test the pump is to borrow one while on site and see if that does the same, if it doesn't then you have found the problem.
If it does then the problem is with the wiring inside the van.

I guess the fuse is 10 amps and the pump should pull 4 or 5 so with a multimeter you can test the resistance across the pumps terminals, you should get a reading of between 2 and 3 ohms.
To blow a 10amp fuse the resistance would need to be 1.2 ohms or less.


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
9 August 2005, 7:10 PM
JohnS
Joined 8 Aug 2004
4 posts

Hi Gary. Thanks for the post about the flame sensor. Mine is circa 1988 vintage so has the sparky wire and the longer sensor. Just a couple of final questions! What exactly does the flame sensor do? And from time to time after the burner has lit the peizo sparker just carries on sparking. Is there anything I can do to stop it and it wil it matter if it does this. Thanks.


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
11 August 2005, 8:23 AM
billy
Joined 8 Aug 2005
1 posts

hi,
I have a cascade mark one water heater in my caravan, the switch has only one green light, when switched on i can hear a click underneath have water running from the hot water tap in sink and shower but no hot water, on one occasion water became lukewarm, on another occasion water became hot, since then nothing. any advice would be appreciated. thank you
Billy.

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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
11 August 2005, 9:03 AM
-  Edited by gary 11 August 2005, 9:06 AM
gary
Joined 13 Mar 2002
2288 posts

"What exactly does the flame sensor do"?
Errr...sense the flame is lit!!!

Sorry, It's an 'ion' sensor and sensors the negative ions in a correctly burning flame by having about a 0.5volt DC positive voltage on it that can pass to earth, ie the burner, thought the negative ions.
So it won't recognise a bad yellow flame and does not need to warm up or cool to work.
What is happening with yours is either the flame is not right or the circuitry connected to it is not working correctly. This could well be due to damp or perhaps failing components in which case at some time will pack up altogether.


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
11 August 2005, 9:12 AM
gary
Joined 13 Mar 2002
2288 posts

Hi Billy, yours would appear to want to work so the problem could well be a faulty connection. So as a start check all the wiring, from switch to heater and also pull off the wire connection block on the switch and push back on several times to scratch a fresh connection on the pins it connects too.

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
11 August 2005, 1:06 PM
mad sapper
Joined 5 Aug 2004
4 posts

Hi Gary,

The replacement module arrived 10 minutes ago. FLAME ON, YAHOO.

Once again a big thank you. Keep up the good work and us vanners going.

Frank


___________________

All problems are surmountable. Don't despair just swear.


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
11 August 2005, 4:50 PM
gary
Joined 13 Mar 2002
2288 posts

Thanks Frank, glad to be of service and I know what you mean by 'sweat'?...it takes plenty of that to keep you vanners going

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
13 August 2005, 9:37 AM
jeh
Joined 18 Jul 2005
2 posts

Hi Richard. Just bought a 2nd hand caravan privately with no guarantees. (Got it cheap). Carver water heater, green light comes on, on its own, water runs through taps but doesn,t get hot. Any chance of a copy of manual please. Jim


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
13 August 2005, 4:00 PM
Harry
Joined 13 Aug 2005
1 posts

Hi Gary,

I have a Carver SBE1800 Heater. The in-line fuse to the heater 'blows' immediately the heater is switched on.
Your advice on possible causes would be greatly appreciated.
(Are parts still available for this model?)

Thankyou, Harry


ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
14 August 2005, 8:35 PM
Geoffb
Joined 14 Aug 2005
1 posts

I have a very old Swift Corniche that has had a second Casecade Rapide water heater fitted before i got the van. Everything has worked on on Gas & Electric since i have had the van ( about 6 years). This year however the heater doesn't work at all on gas. No lights come on the cotrol panel either. I checked at the control panel end and i do have power ther ( 12v) so any ideas on what the probelm can be? Just been away for the weekend on a site with no electric and no hot water! Brrrrr

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
14 August 2005, 9:07 PM
rosemary
Joined 14 Aug 2005
11 posts

carver mk2 water heater
please help, when i turn on heater green light comes on followed
by red light.this indicating air lock at gas side,tried resetting as
per my caravan manual but heater keeps on doing the same.can you please advise what else to try,also can you tell me were i can download instructions manual on carver heaters

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
15 August 2005, 10:40 AM
gary
Joined 13 Mar 2002
2288 posts

Cascade mk1 and 2 manuals you can find here
http://www.ukwebb.plus.com/cascade/

ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
15 August 2005, 10:43 AM
gary
Joined 13 Mar 2002
2288 posts

Hi, there should be two fuses and it matters which one is blowing as to what is causing it.
The positive means its a problem with the heater, the negative means its more than likely an earth fault elsewhere which is tracking back though the heaters wiring.

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