Does Your Waeco Work?

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crinklystarfish
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Does Your Waeco Work?

Postby crinklystarfish » Thu Mar 30, 2017 8:26 am

The electronic / mechanical thermostat switch 'pod' on my Dometic Waeco CR110 compressor fridge has failed twice now. I'm now on my third pod in 4/5 years.

I know Brian is currently having exactly the same issue with his 140 litre version and it makes me wonder if there's a wider problem with these thermostats that isn't immediately obvious.

The main symptom of the fault is that (as the cooling cycle is nearing completion) the compressor / fan will prematurely stop but immediately restart, sometimes many, many, many, many, many (you get the idea) times before there's finally an audible click of the thermostat switch actually breaking the circuit.

More details of the fault and my interaction with Dometic here.

As can be seen from the link, Dometic tech / the engineer seem genuinely baffled. It's clear that they didn't believe me before the engineer himself witnessed the fault actually happening.

If yours works properly all well and good. If it doesn't it might be worth an approach to Dometic. Good luck though, customer service is a mixed bag... :roll:

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Zoltan
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Re: Does Your Waeco Work?

Postby Zoltan » Thu Mar 30, 2017 11:37 am

I have the 50 litre Waeco CF50 chest freezer/fridge and without wishing to jinx it it has been ok over about 5-6 years of ownership

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Brian-reynolds
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Re: Does Your Waeco Work?

Postby Brian-reynolds » Thu Mar 30, 2017 2:23 pm

Ye Ha, well done Steve, I have been waiting for this thread to start.

As you say, it drives you to distraction with its on-off cycle.... mine seems to re-start up to 6 times before it eventually turns itself off....

I also do not seem to be able to use the freezer box part accurately.... I put a small container of water in it last week and it froze very quickly.... a few days later there was water leaking from the fridge as it had now melted.....

I hate the thing!

After I first fitted it it went wrong, but the helpline were not interested and eventually I gave up.... very unlike me!

But now I am living in it.... madness.....

I did tell them about the issue at a NEC display and he gave me an email address to contact, but when I got home and looked at the address, it was a totally made up address... went nowhere....

Time to try again me thinks....

B.

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Re: Does Your Waeco Work?

Postby DaveS » Thu Mar 30, 2017 6:01 pm

As with Zoltan, I have a baby Waeco - 3 years and touch wood no issues with it as yet.

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sparks101
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Re: Does Your Waeco Work?

Postby sparks101 » Thu Mar 30, 2017 7:34 pm

Touching wood all around me:

I have two fridges, one of 3 yrs and the other 1 yrs. Both OK at this stage!!!!

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Re: Does Your Waeco Work?

Postby crinklystarfish » Fri Mar 31, 2017 6:22 am

From feedback from other forums and speaking to other owners the compressor and main control unit seem to be reasonably reliable.

It seems to be some combination of the small control board / mechanical thermostat switch in the 'pod' that fails. I don't know which models have which precise thermostat internals but suspect there are different types across the entire Waeco range. Attached is a picture of the offending 'pod' from the CR110 model.

Pure speculation - but wonder if the fault might be related to time-in-service rather than pure age. Both my previous faults have started to show at about the 20 week mark (3360 hours).

It's a pity the Dometic engineer didn't get back to me to explain the failures . Maybe that in itself is telling.

It's a weird one for sure and it's knocked my confidence. If I built again I'd have twin chest fridges; one in service, one acting as dry storage / on stand by. Neither would be Dometic.
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NeilandPat
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Re: Does Your Waeco Work?

Postby NeilandPat » Fri Mar 31, 2017 7:23 am

We have the CR130 and so far ( touch wood ) have had no issues.

When choosing the fridge we read of many who had had this issue so we bought it knowing about the potential faults

We looked at other makes such as Klissman and Vitrifrigo but weren't to impressed with them. ThexWaeco was for us the best of a bad bunch

We read of several people who had give up with the domestic thermostats and had installed a cheap Universalist one to overcome the issues.

Thawing out over night is another documented issue which I think also caused by a defective thermostat.

I think this is a route I would consider at your stage.

Good luck

Neil

Ivan C
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Re: Does Your Waeco Work?

Postby Ivan C » Fri Mar 31, 2017 8:01 am

It seems as if, when you say "leisure market", price and quality are in inverse proportion!
Mulling this over, perhaps inside the fridge cabinet is not the ideal place for the electronic parts of the control?
As part of the fridge installation in my Ducato (Vitrifrigo) I used a digital thermostat to control fans to vent the rear of the fridge. This has a separate temperature sensor, which would mean the control bits are out of the fridge cabinet. They are also cheap as chips, so carrying a replacement spare wouldn't be a problem :D
If you search on e-bay for MH 1210 temperature controller you'll find them. I believe Vitrifigo offer the same unit, at vast price, as an "accessory"
It would, of course, be better if the unit would work as supplied, rather than having to be adapted.
The logical extension would of course be to build your own unit from scratch - allowing your choice of dimensions, insulation and hardware, though they all seem to use the same Danfoss compressor
Just my random thoughts,
Ivan C

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sparks101
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Re: Does Your Waeco Work?

Postby sparks101 » Fri Mar 31, 2017 6:11 pm

So Steve, given your issues and Ivan's potential solution. Could this thermostat be kept as a "spare" pending failure of the Waeco thermostat. I also have the 110 so some may consider it almost inevitable. For the sake of a few quid it could be a worthy investment. Especially if it can be prepared to slot straight in and avoid defrost cycle.

Directed at Steve who seems to have the most problems, but any thoughts, anyone ??

Andy

Ivan C
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Re: Does Your Waeco Work?

Postby Ivan C » Fri Mar 31, 2017 7:37 pm

This is the one I used. It has the usual heating or cooling modes and variable space between on and off. The instructions are a bit "Chinglish" but patience will make sense of it :D Seen here in "test" mode
Ivan C
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