Post by campingcariste on May 20, 2012 13:21:26 GMT
Salut, I have a problem with an Electrolux RM6401. It works on mains and on the 12 volt but will not work on gas. The light for the automatic piezzo doesn't light up or flash and the piezzo doesn't spark of its own accord. I have the fridge out and stripped down (bits all over the place) when I was disconnecting athe gas feed pipe there is what appears to be a filter in the gas pipe. It is very small (obviously as it fits inside the gas pipe) and it looks to all intents and purposes like a tiny version of a filter tip cigarette end. I've never come across this in any othe of the gas pies I've dismantled so does anyone know if it is a filter or is it a foreign body blockage in the pipe? A bientot - Philip
I'm not up to speed on the RM6401 but here are a few areas to investigate. I apologise in advance if you have tried or are aware of the following.
If you have to press a button several times in quick succession, the igniter is piezo-electric ignition. If the gas lights without having to do anything after switching it on, it is electronic ignition. If it is electronic, there may be a small separate battery in the system or it may be powered from the 12v caravan system. It follows that it could be that the small battery is exhausted or the 12v from the caravan battery has a blown fuse.
The other areas to look at are:
Make sure that the pipes to the fridge have been purged of air. If there is any air in the system, the burner will not ignite. Is the fridge selection switch set to gas? Is there gas available and is it switched on at the cylinder? Is the gas control near the fridge switched on? There is usually a manifold with a row of taps to supply the cooker, water heater, fridge etc.
As an aside, if you operate the fridge on 12vDC from the caravan battery, you will run out of wiggly amps very quickly! On 12vdc, it takes about 8+amps so a 110Ah battery will only last about 6hrs before it is starting to gasp and is 50% exhausted.
Hope that helps and that you do not think that I am trying to teach granny to suck eggs. Long distance fault finding is always difficult.
Post by campingcariste on May 21, 2012 7:58:00 GMT
Bonjour, Thanks for your replies. After working on it again yesterday I had already established that the fault is in fact the electronic ignitor. Question now is do I bite the bullet and buy one and have it sent from the UK and trust that it will be the correct part, I have the model & serial number etc but we all know that that doesn't guarantee the correct piece, or try and get one over here in France where you can bet your life they will be twice the price! Incidentally the object in the pipe is I'm sure a filter, it certainly doesn't prevent gas getting through the pipe as I had it running on gas yesterday. Merci encore et a bientot - Philip
Perhaps I misled you in saying that the "filter" may be an anti-flashback device. It will let gas through from the gas bottle but it stops a flame going back to the bottle.
If you look at a Humphrey Davy miner's lamp, you will see that the early ones had a very fine mesh round the flame. The idea was that the methane gas in the mine could get through the mesh to the flame. The flame then turned blue as a warning that there was methane about. The mesh cooled the heat of the flame sufficiently to stop the flame from getting outside the lamp. I must confess that I took ages to understand how gas could get to a flame but the flame could not ignite the gas in the mine.
The "filter" in the gas pipe does the same job as the mesh on the miner's lamp. It lets the gas through in one direction but stops the flame burning back up the pipe to the Gas bottle. This averts the inevitable event of exploding gas bottles. I do hope that you have not removed the "filter"
I have no doubt you have already put RM 6401 into your Amazon search engine in your quest for the necessary part.
Had a similar problem with an RM 275 R OK on 12V OK on 240V but no spark or even light coming on on gas, I removed the fridge believing that the spark generator? was at fault but after removing the sooty crud from the burner assy and sweeping the chimney all was well, it seems as if the soot was shorting the spark gap. Worth a look :-)
Retired to France with the Vintage Camping Panzer (Hymer B594 2.5td 1993) and the boss. Since 1962 we have Static'd, Tented, Trailer-tented, Caravanned and now Motor-homing or rather Campingcarists :-).
Post by campingcariste on May 24, 2012 15:19:44 GMT
I've ordered the part from Leisure Spares for delivery to a friend in the Uk who will forward it on. Thank you for all of your input. No I didn't leave the 'filter' out I put it back in the pipe. Interesting the explanation with the Davy lamp etc, I did flirt with the idea of shoving a canary up the pipe to replace said filter but decided the RSPB might not be too pleased. Awaiting delivery now so that we can get the camping car ready and get out on the road again - le beau temps est arrivé en France!!
Post by campingcariste on May 29, 2012 13:43:50 GMT
Same here, we live in the Charente-Maritime and it's another scorcher. We went through the Gorges du Tarn a couple of times last year, really nice area but cna get a bit oo hot - watch out for des orages!