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Old 06-26-2018, 10:17 PM   #1
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WARNING: Dometic 4 door Gas/Elec Refrigerator Light Melting

So I have a one 8 month old Dometic RM1350 4 door refrigerator and the light is melting and burnt. I first noticed it when the light fell out of the recess in the side of the fridge. Upon inspection I found that the light assembly had melted at the top and the hole that the plastic rivet (like they use on cars) hole in the side of the fridge had melted and now is about twice the size it originally was. I called Dometic and they said I would have to take it to the dealer to get the replacement light assembly which costs about $13 on Amazon with free shipping. Too bad they couldn't have sent me one in the name of customer satisfaction. Well to repair it I bought an oversize plastic push rivet thing, drilled the hole in the assembly and the side of the fridge and reinstalled with the oversize rivet. I replaced the original light bulb with a LED so it won't get so hot to melt it more. All set for now. If you have a Dometic refrigerator, at least the RM1350 4 door not sure about others, check the light to make sure it is not melting.
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Old 06-27-2018, 06:40 AM   #2
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It would seem replacing with an LED would be an easy fix. What number of LED does it take so others can get a replacement
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Old 06-27-2018, 06:52 AM   #3
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I would check to see if the light is staying on when the door is closed. I can't imagine a light melting anything with the short amount of time being on when getting in or out of the fridge.
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Old 06-27-2018, 07:01 AM   #4
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I would check to see if the light is staying on when the door is closed. I can't imagine a light melting anything with the short amount of time being on when getting in or out of the fridge.
X2

Put your phone in there and turn it on video, then close the door.

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Old 06-27-2018, 07:12 AM   #5
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Mine didn't melt but the light burned out after 2.5 years. Replaced with this LED which is 300% brighter and should run cool.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 06-27-2018, 07:32 AM   #6
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Quote:
Originally Posted by cavie View Post
I would check to see if the light is staying on when the door is closed. I can't imagine a light melting anything with the short amount of time being on when getting in or out of the fridge.
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Originally Posted by nomad297 View Post
X2

Put your phone in there and turn it on video, then close the door.

Bruce
X3.

It would take some serious heat to melt plastic. Most likely the switch is not making contact with the door to detect that's been closed. Or maybe a faulty switch.
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Old 06-27-2018, 08:18 AM   #7
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I would check to see if the light is staying on when the door is closed. I can't imagine a light melting anything with the short amount of time being on when getting in or out of the fridge.
I had this happen with a Maytag in my house about 25 years ago.
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Old 06-27-2018, 08:30 AM   #8
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The incandescent bulb is part of the low ambient temp control . Replacing it with a LED will defeat that purpose and will cause temp control issues (refer may not stay cold) under certain conditions.
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Old 06-27-2018, 08:38 AM   #9
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This is what I got. https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Looks like GL1800Rider might have a better bulb.
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Old 06-27-2018, 08:39 AM   #10
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X3.

It would take some serious heat to melt plastic. Most likely the switch is not making contact with the door to detect that's been closed. Or maybe a faulty switch.
I will check that.
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Old 06-27-2018, 08:39 AM   #11
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X2

Put your phone in there and turn it on video, then close the door.

Bruce
Great idea. Would never have thought of doing that.
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Old 06-27-2018, 08:58 AM   #12
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The incandescent bulb is part of the low ambient temp control . Replacing it with a LED will defeat that purpose and will cause temp control issues (refer may not stay cold) under certain conditions.
I have camped about 17 days since installing the LED bulb and the temperature usually averages about 37 degrees on the #4 setting so I don't think that is an issue.
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Old 06-27-2018, 09:09 AM   #13
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I have camped about 17 days since installing the LED bulb and the temperature usually averages about 37 degrees on the #4 setting so I don't think that is an issue.
FYI for anyone who doesn't know: Paragraph 5.12 on page 18 of the attached explains how the low ambient system works. Note this doc is not for your model, but your model may still have such a system. You basically are turning on the light when outdoor temps are <50 Deg F to put an extra "cooling load" on the unit.
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File Type: pdf Dometic Refrigerator Diagnostic Service Manual.pdf (2.42 MB, 27 views)
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Old 06-27-2018, 09:22 AM   #14
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Well if the light runs full time in low temps (we were in < 50 degree temps for two weeks last winter) then that is an issue since the light assembly will not hold up to it. That is a poor design.
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Old 06-27-2018, 01:38 PM   #15
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Couldn't you?

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X2

Put your phone in there and turn it on video, then close the door.

Bruce
Couldn't you just press the switch that the door depresses?

Larry
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Old 06-27-2018, 01:48 PM   #16
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Here is a photo of my LED light. Sorry for it coming out sideways
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Old 06-27-2018, 01:49 PM   #17
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Couldn't you just press the switch that the door depresses?

Larry
You could, but that doesn't tell you if the door actually manages to depress it, or if it misses the mark and leaves the light on.
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Old 06-27-2018, 02:07 PM   #18
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I would check to see if the light is staying on when the door is closed. I can't imagine a light melting anything with the short amount of time being on when getting in or out of the fridge.
What he said. The light is staying on.
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Old 06-27-2018, 02:07 PM   #19
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Originally Posted by rockfordroo View Post
FYI for anyone who doesn't know: Paragraph 5.12 on page 18 of the attached explains how the low ambient system works. Note this doc is not for your model, but your model may still have such a system. You basically are turning on the light when outdoor temps are <50 Deg F to put an extra "cooling load" on the unit.
That's great information. Thanks!! However, I don't believe it applies to the RM1350 4 door fridge. Unless I missed it, that model doesn't have that feature.

https://bryantrv.com/docs2/docs/Serv...,%20RM1350.pdf
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Old 06-27-2018, 02:24 PM   #20
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Originally Posted by rockfordroo View Post
FYI for anyone who doesn't know: Paragraph 5.12 on page 18 of the attached explains how the low ambient system works. Note this doc is not for your model, but your model may still have such a system. You basically are turning on the light when outdoor temps are <50 Deg F to put an extra "cooling load" on the unit.
Quote:
Originally Posted by GL1800Rider View Post
That's great information. Thanks!! However, I don't believe it applies to the RM1350 4 door fridge. Unless I missed it, that model doesn't have that feature.

https://bryantrv.com/docs2/docs/Serv...,%20RM1350.pdf
Yeah, I think most of us don't have it. I've never had it and looking at fridges at RV shows, I never actually seen one either.
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