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Thread: Dometic fridge not working on gas Reply to Thread
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  Topic Review (Newest First)
21-09-2019 13:45
sheds Sorry - Yes I have followed up all the suggestions and tested the volatage going to the unit at 1.4v. I disconnected the gas supply pipe to the valve and confiorm that there is a flow of gas, but not beyond the valve. Tried much hammering to free off the unit and no joy. Now it is time to admit defeat and locate a Dometic engineer in the Reading area. Meanwhile I have moved on to the mysteries of a front brake pad change on the base vehicle - a 2007 X250 3.0L Ducato. Having always done my own car maintenance I wrongly thought that this would be an easier job........of course in those days I had Haynes manuals to help me!

When I find a Dometic engineer who can come to me or who is within easy driving reach I will let you know the outcome of the fridge problem
19-09-2019 22:11
Penquin Wel his last post was at 1517 today, so the answer is yes he will have seen the thread, but his last comment was less positive about it working. I think....😢
19-09-2019 22:05
LT Man Has Sheds seen any of this and is the fridge fixed ? That is what i want to know

LT Man
19-09-2019 17:49
Penquin The Dometic engineer who looked at mine used the left hand knob and twisted it further clockwise and that allowed the gas to flow, but when he released it the flow stopped and he immediately said "control unt" he was 100% convinced......

Might be worth trying......
19-09-2019 15:17
sheds Well it sounded like a good idea, but I measured 1.4 volts across two of the connectors and none on the third. I assume the third only passes a current when the solenoid switches.....So it looks very much like a new valve and finding a professional to fit it somewhere in the Reading area!
19-09-2019 15:01
sheds Ouch Penguin! I glibly thought that at £150 + for a new valve it would be cheaper buying a new fridge................until I looked at fridge prices!
19-09-2019 14:57
sheds Thanks for a new angle of attack Drew. I'm no good with electrics and I just checked for a current flow, ot really knowing what I am looking for. I also fitted new terminals on the valve end but will take a look at the controller too. I'm guessing that if I connect my multimeter one end to the spade connector from control unit, the other to the terminal on the valve, I should be able to see 1 volt. I shall try this and report back! By the way today I disconnected the gas supply to the valve and checked that there was a flow to the inlet - phew there was so at least it isn't a problem with a damaged pipe somewhere behind the kitchen units.
19-09-2019 12:44
Penquin Just had the diagnosis for our fridge; the switch on the left hand side which controls EHU, 12v or gas operation, there are also the contacts to control the ignition / flame failure safety and ours has bad contacts. It needs a new unit and cleaning - the unit has been ordered (139€) and the total bill for supply and fitment will be 208€. Booked in for 10 days time.

I will let you know how it goes....
19-09-2019 12:33
Drew Like yourself Ray, I was taken by surprise.

I also can't understand why the habitation side of a motorhome is fully computerised, it is not necessary.
19-09-2019 10:27
raynipper I still can't see how 1 volt could actually work any physical solenoid or valve.

Ray.
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