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full circle

norcold refrigerator

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i've got a de/ev 0061, 7.0 cubic foot ac/dc refrigerator onboard, and have recently experienced it clicking on and off.  it seems to click on and i can hear the unit running for about 3-5 seconds, then it clicks back off. it does this about 3-5 times and then remains off. has anyone had this experience or know of a fix? the norcold folks sent me to the local tech guy and they mentioned that it may just need to be 100% replaced. any thoughts would be appreciated.

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7 minutes ago, full circle said:

i've got a de/ev 0061, 7.0 cubic foot ac/dc refrigerator onboard, and have recently experienced it clicking on and off.  it seems to click on and i can hear the unit running for about 3-5 seconds, then it clicks back off. it does this about 3-5 times and then remains off. has anyone had this experience or know of a fix? the norcold folks sent me to the local tech guy and they mentioned that it may just need to be 100% replaced. any thoughts would be appreciated.

I had one of those couple years back, same issue. Same result, remove and replace.

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1 minute ago, Raz'r said:

I had one of those couple years back, same issue. Same result, remove and replace.

oh great....

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10 minutes ago, full circle said:

oh great....

sorry for the news. The only good news is I was able to do it myself. Was a simple pull out and replace.  Boat was a 1999, and the refrigerator model has not changed. At all.

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6 minutes ago, Raz'r said:

sorry for the news. The only good news is I was able to do it myself. Was a simple pull out and replace.  Boat was a 1999, and the refrigerator model has not changed. At all.

true. i can see that being good news. now i just need to prepare to come up with the money to replace it.

wasn't sure if there was a thermometer or wire board that could be replaced.

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9 minutes ago, full circle said:

true. i can see that being good news. now i just need to prepare to come up with the money to replace it.

wasn't sure if there was a thermometer or wire board that could be replaced.

Yeah, same....

its some sort of sealed system.

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2 minutes ago, Raz'r said:

Yeah, same....

its some sort of sealed system.

thank you for your input. if the tech cannot help when they come to see it, i wont feel overly bad about having to replace it.

seriously, thank you.

 

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5 hours ago, Raz'r said:

its some sort of sealed system.

Of this I know nothing. So, just FWIW, the last drawing in the parts list makes it look like it's based on a Danfoss compressor. If you squint it looks like the high and low pressure side have Schrader valves. https://www.thetford.com/wp-content/uploads/2015/02/PL_DE_DCEV0061_624380_20180530.pdf

So you kinda sorta ought to be able to do the usual trouble shooting. My WAG from the symptoms would be some kind of blockage is causing a compressor fault. For sure that or something else. Good luck.

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Test the module. Look it up...Danfoss module test.

connect a 12vdc led across the SMALL "+" (not the main "+" power input) and "D". 

the flashes on it will tell the story

Most issues related to these are:

The fan is overloading the module, I think the cut out is .7amps. The easy fix and very cheap.

Lo-volt cut out is 10.4 on 12vdc and 23.4 on 24vdc.

Bad or resistive wire.

Faulty t-stat  (easy to jumper and test).

The fact that it cycles off and on points to an electrical /control issue, rather than a leak or low refrigerant issue, as it would just keep running until it hit the compressor's thermal overload point.

Hope it helps.

 

 

 

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Up until it started malfunctioning did it work well for you? I ended up replacing my dual voltage nevercold with a frigoboat system and never looked back.

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sorry for not responding. i have been gone. anyways, i shut the unit off for two days, did some follow up calls to norcold, and they asked me to try turning it back on but only using dc.

they also recommended a few other things but...i turned it on using dc power only, and it started up and ran just fine. after thirty minutes of proper running and cooling, i switched over to ac and the unit has been working like a dream from that time on. there is some discussion that the unit was trying to decide which power source to use. i'm sure it will be something i will need to watch, but currently all is well. 

 

i did talk to people with some of your input, so thank you to you all. if the status changes i will let you know, but for now, all is well.

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As with most boat related refrigerator issues, it is a "balance" issue. Log on to your bank and you will likely find that one of your accounts finally has a "high balance" issue. Remove the excess balance and your sparkling new refrigeration unit will run fine.

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