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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
12 July 2009, 9:49 PM
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gary
Joined 13 Mar 2002
2288 posts
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No Rocksy it ain't supposed to come on unless there's a fault, main fault is no gas so make sure that's switched onAs I said go back a page or two and you will find the cascade2 overview in an answer to someone else, this will give you a clearer idea
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
13 July 2009, 9:24 AM
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tracy
Joined 15 Sep 2006
287 posts
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thanks gary youve been realy helpfull! nice for someone to take time out to help others
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
13 July 2009, 11:43 AM
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gary
Joined 13 Mar 2002
2288 posts
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Clem, That sounds pretty quick but I don't remember the date I posted it? it will be on the post office stamp though?
Airmail usually takes a fortnight to get to customers in New Zealand, makes you wonder what sort of planes they use? ex WW2 Dakota's I expect! LOL EDIT:
As it happens, I posted it on the 6th and it arrives on your doorstep in NZ on the 10th!... that's almost as good as posting inside the UK!!!!
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
13 July 2009, 10:57 PM
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rocksy71
Joined 12 Jul 2009
3 posts
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hi gary tried to follow link to manuels that you posted but keeps comming back as link broken cant show page. could you email me the manuels so that i can at least read them and check if i'm opperating this system correctly? [Log in to view email] thanks again John
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
14 July 2009, 1:38 PM
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gary
Joined 13 Mar 2002
2288 posts
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Rocksy, nothing wrong with the links but I was refering to on this site not my website, heres what I'm talking about;The Carver Cascade 2 is a 9 litre storage water heater, which when running on gas will heat the water to 65deg c in about 45 minutes. On 240V mains assuming it has this facility, the time can be somewhat longer or shorter depending on the wattage (630w 3amp to 840w 5amp) of the element fitted, you can use both gas and electric together for faster times.
To operate the gas there is a wall switch or a switch within a main control panel, either way both have three lights green, amber and red. When switched on the green lights, (water tank must be full, i.e. water coming from hot taps), if it stays on after about 8 seconds then the gas has lit and all is well. If the green is joined by the red then you may have a problem, but if the gas bottle has just been changed then air in the pipes will have to be bled through by repeating the above 2 or 3 times. Once lit, and it should light without any pops and bangs, (this would indicate it needs a service), the heater looks after itself and gives constant hot water. Any problems will cause it to shut down safely and show the red light. Forget the amber light, it?s to show low voltage and won?t light unless the voltage is so low the heater and everything else packed up long since, though you may notice it ?flash? as the switch is turned on or off.
The 240v emersion heater if fitted is totally separate, and lies behind a white plastic box on the inboard end of the water tank. It is controlled by a switch, often close by and at floor level, but again sometimes as part of a remote control panel. The switch has a red light to show it?s ?on?, not that it?s working, this will be determined by the water getting hot. If it does not then it may have ?tripped? Two types exist, early circa 1990 are non-re-settable but are repairable. Later models have a Red button on the end of the plastic box which is sometimes behind a little flap. Switch off mains, and press to reset.
Other faults concerning the gas side very often come down to the ?Burner Module?. This handy little unit contains the burner, gas valve and all the electronics which control it and is accessible from behind the cover outside of the van. In the event things go wrong it?s a 5 minute job to replace it, with a new or serviced exchange unit. One other safety device is a wax filled ?fusible? plug, this again is behind the outer cover and shows itself as a 13 mm nut set in the fins above the burner. The wax will melt if things get too hot allowing hot water from the tank to spray over the burner and put the flame out. This will render things safe but will require a new module because it?s control circuitry is faulty. However given if the fuse 'blows' without the water apparently getting to hot then replacing the plug will be sufficient. The point to note here is that over time the wax in the plug degrades or the threads leak, at the very least allowing water to seep onto the burner causing it to rust and eventually will still require replacement of the whole burner module.
Further problems that come to light in spring is the discovery of frost damage to the water tank, the non-return valve which is part of the cold water inlet and other plastic fittings. Failing to drain the heater when there is a chance of temperatures dropping below freezing can be very expensive to repair and should be avoided by removing the drain bung and allowing the heater to drain completely. Later models have a valve above the drain hole in the top left corner of the flue cowl, these have a ?toggle? showing that when turned a ΒΌ in any direction will allow air into the tank and assist the draining. Older models still have the valve but the flue cowl needs to be removed and the valve end pulled to open it, in this case opening all taps in the van will do much the same thing. It is most important that the drain bung is then only placed back into the hole and not screwed in, any water left in the system can then drain away.
Frost damage to the tank will be obvious by the leaking water from the damaged seal, the damaged non-return valve quite often will prevent water coming from the hot taps although the cold water flow will be fine. Other fittings are often cracked by the pressure of the frozen water and will leak on refilling the system.
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
14 July 2009, 4:46 PM
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elaine
Joined 9 Sep 2008
7 posts
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Hi Gary,I looked at my module, it is underneath my water tank, and i coudn't get it out through the bit on the outside of the truck but i could see that it was dry. I still think there is actually no gas going through when i try to switch it on as all three lights come on immediately and stay on, the ignition doesn't even try. doyou think i need a new system?? the burner is quite rusty. Would you supply me with a plan and parts if i need the please.
thanks for your expertise
Elaine
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
14 July 2009, 5:02 PM
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elaine
Joined 9 Sep 2008
7 posts
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Hi Gary,I have looked at my module and it seems to be dry however it is underneath my water tank and so a little inaccessable. I did try to take remove it the outside panel and although it was all undone it wouldn't come out, whichis when i realised it was attached from inside.
I tried to light it again but the three lights came on and there was no gas coming through, the ingniter didnt even try.
Should i take out the water tank? Do you have a plan of this heater (cascade II plus).
Any help please
thanks for your expertise
Elaine
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 July 2009, 11:33 AM
 Edited by rodderstrotter 18 July 2009, 12:26 PM
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rodderstrotter
Joined 18 Jul 2009
6 posts
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I have a Carver Cascade 2 water heater.
Last year I had a problem with leaks & replaced the pressure releif valve and the hot water outley coupling, as they had gone brittle/cracked. After this I still had a small leak, about one drip a minite. This leak was external/internal. There is a seam on the casting behind the burner, & can also be seen on the other side near the cold water inlet (the cating has a waterway from the cold water inlet, the seam is below this). This is where the water leaked. I have a hot water tap in the van with a faulty microswitch, so I just left this turned on so no pressure could build up, & this stopped the leak.
The main problem now is this seam is leaking gas. Before the burner ignites, gas builds up & leaks through this seam into the caravan. When it ignites you can see a flash inside the caravan at this seal. There is also a smell of gas, but only while the burner operates. I have now stopped using the heater due to this, & it may also leak carbon monoxide into the van. I have attached a picture where the seam is.
Has anyone seen this before? Is there a fix, or am I looking at a new heater? What also worries me is there's very little access to the gas inlet due to the heaters location in the cupboard, I can touch the inlet but can't see it, not quite sure how I'd remove it. The caravan in a 1992 avondale leda malvern.Update: Just looked at Gary's website & have seen pictures concerning this seal. Glas I spotted it before my electronics module burst into flames! The burner module does appear lose, and has some movement on the opposite side to the gas valve. Maybe I could just tighten something up, but I can't for the life of me find any mounting screws inside or out. Also now that the wind's died down, the smell of gas has dissappeared & I can't see any flashing inside the caravan now on ignition. I think the water leak may be a small weep from the cylinder o-ring which drips onto the burner module-casting seal. Thanks in advance
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 July 2009, 8:46 PM
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CM
Joined 27 Jun 2009
11 posts
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A little update and a big thank you!!The leak on my carver water heater was indeed the drain plug needing replacement... I bought a new plug and washer but I think it was actually only the washer that needed replacing - changed them both tho just to b on the safe side but now there are no leaks and the heater works perfectly! Cheers peeps - u saved me a bomb on getting my simple problem diagnosed by a garage x
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 July 2009, 8:50 PM
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rodderstrotter
Joined 18 Jul 2009
6 posts
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Managed to take the burner module out with the help of one of Gary's Previous posts. I can now clearly see it's leaking water from the o-ring.
The gasket around the burner module doesn't look too worn, but even after cleaning it up, I can't make a gas tight seal & still have the same problem. Can these gaskets be replaced? Is the tank o-ring an easy DIY job? I keep the caravan near skegness, I guess it would be expensive to get someone out to repair, although most caravan repairers would probably want to replace the whole heater anyway.
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
18 July 2009, 10:32 PM
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gary
Joined 13 Mar 2002
2288 posts
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Normally Rodders on a Saturday night I'd be sitting in my own van...also near Skeg! Walls lane to be precise.The problem you have with the burner module is simple to fix, the bracket with the seal has bent out of square and needs resetting so it seals correctly. I actually have to do this with all my exchange burner modules and it only takes seconds to do. The tank seal is not quite so easy, at the least there's a knack to doing it right, worse, like the module, the tanks bent and needs straightening in a jig or it will never seal correctly.
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
19 July 2009, 9:59 AM
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rodderstrotter
Joined 18 Jul 2009
6 posts
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Thanks Gary.
Just come back last night :-(
For when I go next time is it easy to bend the burner module back without a jig?
Also regarding the o-ring, would this be a job you could do on site for me? If so would it be expensive? When the heater's Hot & there's no pressure in the system it doesn't leak so I could carry on using it, but I suspect it might get worse in time.
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
19 July 2009, 11:40 PM
Edited by gcr 20 July 2009, 0:37 AM
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gcr
Joined 19 Jul 2009
1 posts
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hello i bought a swift cornice 142e 1991 model a year ago and i am having a problem with the cascade water heater i turn it on and it sounds like it is igniting but it dosnt and it goes on to green and red ive tried it a good few times incase there was air in the pipe it has come on the other day and worked so i just dont know what else i can do any ideas this is the first time i am taking it out please help it is only a gas boiler
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
20 July 2009, 1:18 PM
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joanne
Joined 20 Jul 2009
5 posts
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HelloI have just bought an Elddis Vogue slipstream caravan and went out in it at the weekend and found alot of problems...most of them we have sorted (at alot of expense). The bigest problem we have now is the fanmaster heating. When we switched the main switch on it lit up, but the lights on the other side to tell you whether you have it on electric or gas and settings isnt lighting up and the fan isnt working, I have left the caravan near skegness and am going back on thursday can any one please give me any pointers. Thanks
joanne
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
22 July 2009, 12:48 PM
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suggs
Joined 22 Jul 2009
1 posts
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Hello to everyone,i have a swift challenger with a carver cascade 2 water heater,after reading various blogs on this i still cannot get the damn thing to light correctly,the green light is on and the unit is clicking and popping,i have taken the unit out and had the hair dryer onto it,changed to a full gas bottle...has anybody got any ideas why this doesnt light properly....Thanks
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
24 July 2009, 6:40 PM
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harleys1st
Joined 22 Dec 2008
1 posts
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hi my carver 3000 fire seems to work fine but when i turn the knob to mthe off postion on the top the pilot continues to burn and the fire remains warm is this correct thankyou simon
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
25 July 2009, 10:49 PM
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gary
Joined 13 Mar 2002
2288 posts
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Rodders, difficult to say any more until I can see it, I generally pass work in Skeg and district to Metz's Services if I can't come myself.
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
25 July 2009, 10:54 PM
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gary
Joined 13 Mar 2002
2288 posts
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gcr, your problem is a faulty 'burner module' it sounds to me that the electronics are not recognising the flames lit, solution is to replace the module.
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
25 July 2009, 10:59 PM
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gary
Joined 13 Mar 2002
2288 posts
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Joanne, the problem is there is no 12v power getting to the control switch with the five lights, the other switch simply switches the mains 240v on and off.
It normally lights regardless so this could simply be a blown fuse somewhere or a disconnected wire perhaps?
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ALL CARVER CASCADE WATER HEATER, GAS FIRE, FANMASTER,P4 QUESTIONS HERE
25 July 2009, 11:03 PM
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gary
Joined 13 Mar 2002
2288 posts
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Suggs, your 'burner module' sounds really poorly to me, I'm afraid the advice is the same as gcr above.
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