12v gone on Engel 39L

Submitted: Wednesday, Mar 08, 2006 at 20:21
ThreadID: 31555 Views:2402 Replies:9 FollowUps:8
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Hi all :)

Has anyone ever lost just the 12v side of their Engel 39L fridge? One of mine is a 5-year old example of the previous model, and it works just fine on 240v - but doesn't do a cracker when 12v is plugged in. I've taken off the cover and it looks like the plugs are both encased in a single unit that looks suspiciously uncervicable. It may just be a loose wire or broken connection within the power box - but are they a real pain to get to? I really don't want to have to take it in for repair if I can avoid it.

Other than this it's a ripper. Taking it apart has given me the opportunity of dumping about a pound of fine red dust from around the bottom of the case :)

Cheers
Chris
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Reply By: Sand Man (SA) - Wednesday, Mar 08, 2006 at 20:30

Wednesday, Mar 08, 2006 at 20:30
I believe Willem posted a similar problem recently, but his fridge was much older.

Bloody Engels are proving unreliable all of a sudden.
Think I'll sell mine while its still good and get a Waeco. (Hush your mouth Bill)
Bill


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Follow Up By: Sand Man (SA) - Wednesday, Mar 08, 2006 at 20:44

Wednesday, Mar 08, 2006 at 20:44
Belay that folks.

Just checked Willem's post and it turned out to be the 12 volt socket.

So this one is a one off and rumours that the Engel fridge is a lemon, are therefore squashed. I'm now keeping mine:-)
Bill


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Follow Up By: Member - Brian (Gold Coast) - Thursday, Mar 09, 2006 at 08:28

Thursday, Mar 09, 2006 at 08:28
Nah.... I have a customers Engel in my workshop now..... doesn't work either! I'm just "middle-manning" it to the local repair guy, I hate working on little fridges.

Our Trailblaza has a panel that comes off so all the components can be accessed, the Engel, albeit an older one, has to be stripped down before I can see the electrical box!

:-(

Cheers
Brian
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Reply By: RedGibber - Wednesday, Mar 08, 2006 at 20:32

Wednesday, Mar 08, 2006 at 20:32
Hi Chris,

Do you not have a blade fuse (e.g. 20A) which on my 40l model is located just above the 12V and 240V sockets? I'm not sure about the 39l model but I'm willing to bet there's a fuse tucked away somewhere that you can replace.

I had exactly the same prob a few days ago...turned out that when I tried to start another vehicle with a flat batt. off my aux. batt. (which the Engel runs off) my battery was flat too!! Stupidly I left the fridge on when I didn't drive the Patrol for a couple of weeks beforehand. Basically, when I tried to jump-start the other vehicle, there was insufficient capacity in my battery to absorb the spikes from the chattering solenoid, hence the blown fuse!

Anyway, hope you find the prob...fuse or not!! ;-)

Cheers
RedGibber
AnswerID: 159381

Follow Up By: madcow - Thursday, Mar 09, 2006 at 07:29

Thursday, Mar 09, 2006 at 07:29
Agree. I had one that got wet (thats another story) and we opened up the fridge to dry out the circuit board and there is a fuse inside. but i suspect it would be the socket. Mine is the 39 litre grey model. It now has the newer version of the circuit board and it runs better and has the added option of plugging in both 240 and 12 volt at the same time which the new models have. Cost to repair was $285.00 including labour.

cheers
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Reply By: The Explorer - Wednesday, Mar 08, 2006 at 20:42

Wednesday, Mar 08, 2006 at 20:42
In my 29L the fuse is in the the end of the 12Volt plug - just screw tip off to examine
Cheers
Greg
I sent one final shout after him to stick to the track, to which he replied “All right,” That was the last ever seen of Gibson - E Giles 23 April 1874

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AnswerID: 159383

Follow Up By: RedGibber - Wednesday, Mar 08, 2006 at 20:58

Wednesday, Mar 08, 2006 at 20:58
Quite true Greg...good point - IF our friend is using the ciggie-type plug in!!!!

I'm not...I removed it and use the T-pin screw in adapter that Engel sells as an accessory (don't want me fridge to go warn coz the ciggie plug fell out - which they are wont todo on rough roads etc.)!!

Cheers
RedGibber
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FollowupID: 413977

Follow Up By: Member - Omaroo (NSW) - Wednesday, Mar 08, 2006 at 21:05

Wednesday, Mar 08, 2006 at 21:05
Yeah guys - I don't have a blade fuse on this one like on the new model 40L. That would've been nice.

I also use a Merit plug to replace the ciggy lighter type of plug because - just as RedGibber has rightfully pointed out - they always fall out on the corrugations :( Warm beer isn't an option!!

I therefore fuse it in-line at the battery end.

Cheers
Chris
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FollowupID: 413982

Reply By: GUPatrol - Wednesday, Mar 08, 2006 at 21:08

Wednesday, Mar 08, 2006 at 21:08
Chris,
All engels work on 20V AC (the motor that is), if the power supply was the problem most likelly it would not work on either voltage.
I suspect that you have a bad 12V supply or a fuse problem.

Older models had a big transformer there but newer ones have an electronic unit.

Will
AnswerID: 159394

Follow Up By: Member - Omaroo (NSW) - Wednesday, Mar 08, 2006 at 21:14

Wednesday, Mar 08, 2006 at 21:14
Thanks for that Will. Good to know!!

I'm going to get another genuine Engel 12v lead tomorrow morning and use another power source to see if that is the problem. The old one IS looking a tad ratty after being trapped a few times in the fridge slide. It measures out for continuity OK - but could be high resistance. A new one will tell me either way I guess.

Cheers and thanks
Chris
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Follow Up By: Steve M - Wednesday, Mar 08, 2006 at 21:44

Wednesday, Mar 08, 2006 at 21:44
Where dioes the 20v ac figure come from. I am interested to know as I have just had a CRO on mine (to test for another reason) and measured 15v a/c peak to peak. (For those who are into this info it was a bloody ugly square wave.)

Steve M
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FollowupID: 413999

Follow Up By: GUPatrol - Thursday, Mar 09, 2006 at 07:36

Thursday, Mar 09, 2006 at 07:36
It was 20V AC on the older ones (the ones with the big transformer), maybe they have changed it on the new ones with the more modern tech...
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FollowupID: 414057

Reply By: Member - Davoe (Widgiemooltha) - Thursday, Mar 09, 2006 at 03:12

Thursday, Mar 09, 2006 at 03:12
I have heard of a few cases where the plug is in a position to get knocked -vibrated and it has stuffed the lead where it plugs in or sometimes the socket in the fridge
AnswerID: 159438

Reply By: Ruth from Birdsville Caravan Park - Thursday, Mar 09, 2006 at 10:14

Thursday, Mar 09, 2006 at 10:14
Chris, have a couple of Engles here and one wouldn't work on 12v - first off we blamed the auto electrician for not putting in heavy enough wiring and point in the boot of the LC100 (got new wiring - which needed doing - it must be heavy duty), then it happened again with the 39l Engel - this time it turned out to be the ciggie lighter plug - I have two plug in points in the car (one in the boot and the ciggie one because usually have two fridges going when I go supermarket shopping 700 klms away). Anyhow, the ciggie plug undoes and inside is a diode and you can't tell from looking at it whether or not it's working. They were about $11 to buy I think and I now keep several on hand - the Engel man on the end of the phone I talk to frequently (for other people) was very helpful. It would seem that in lots of cases it is the simplest of answers with the Engel. Worth checking out.
AnswerID: 159455

Reply By: Bullwinkle - Thursday, Mar 09, 2006 at 10:18

Thursday, Mar 09, 2006 at 10:18
Hi, I had an old 39l engel which did the same thing. I was half way into a big trip and as a result I was driving around with the gene sitting in the spare tyre on the back of the ute, running, to power the fridge! There's a control box inside which had blown a component. The new box cost me about $120 to replace and all was fine from then. It apparently blew after it was drowned in rain. But, as everybody has said so far, check all your supply out first, as it's your most likely problem. Cheers.....
AnswerID: 159456

Reply By: Member - Oldplodder (QLD) - Thursday, Mar 09, 2006 at 17:43

Thursday, Mar 09, 2006 at 17:43
Could be the 12v cable and plug/internal fuse, or the connection on the fridge as mentioned above.
AnswerID: 159539

Reply By: Member - Omaroo (NSW) - Thursday, Mar 09, 2006 at 18:19

Thursday, Mar 09, 2006 at 18:19
Yup - it was the cable. Even though it metered out 12~ish volts at the fridge (without the fridge attached - i.e. at the end of the un-loaded cable) it must have had a high-resistance section (crushed maybe?) at some point. I guess that even a small drop will not see the compressor start.....

Thanks for the input everyone!
AnswerID: 159550

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