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It's in a new RPod 183G. Worked fine until I accidentally…

It's in a new...

It's in a new RPod 183G. Worked fine until I accidentally applied 220 volts for an instant or so. Now I read 120 volts when on dock power, 12 vdc when that mode is selected but no cooling. These reading were taken at terminal strips on back of the refrigerator. both 120 volt and 12 volt heaters read open when measurement is taken on that same terminal strip. On propane the flame comes on and stays on but no cooling. What is your assessment? Thank you

Mechanic's Assistant: Have you checked the coolant level? Has there been any leaking from the hoses?

Checking the coolant level is a little over my head but I can tell you until that over voltage incident it worked great.

Mechanic's Assistant: Are you hoping to fix this yourself? What have you tried so far?

Having spent 40 years in the commercial refrigeration service business before retiring makes me think that I am capable of repairing it, which makes me all the more sheepish about having made such a mistake.

Mechanic's Assistant: Anything else you think the mechanic should know?

This open heater thing.... can both the A/C and D/C heaters be burned out?

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Answered in 2 minutes by:
8/27/2016
RV Mechanic: Randall, RVIA Certification replied 6 years ago
Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 28,170
Experience: RVDA/RVIA Master Certified Technician with many years experience.
Verified

What is the make and model of your fridge? Is this level when you are trying to operate it?

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Customer reply replied 6 years ago
I will check quickly
RV Mechanic: Randall, RVIA Certification replied 6 years ago

10-4

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Customer reply replied 6 years ago
Dometic rm-8501
RV Mechanic: Randall, RVIA Certification replied 6 years ago

And you say it comes on in LP mode, but won't cool?

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Customer reply replied 6 years ago
This is correct
RV Mechanic: Randall, RVIA Certification replied 6 years ago

I am adding a link to the exploded parts diagram for this model. Notice the wiring diagram. Check to see what the ohms reading is on the heating elements with them disconnected from the control board. We want to see if the AC element especially is good and we can hook up that to an old lamp cord and see if the cooling unit is good. 220 VAC shouldn't have damaged that, but it may have fried the board and the heating elements. Let me know what you find. Ohm between the leads and then each lead to the case or other ground.

http://www.laurelhurstdistributors.com/parts/refrigerators/dometic/RM8501.html

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Customer reply replied 6 years ago
Great. I check out the link and run the procedure. What do I do if I have another question?
RV Mechanic: Randall, RVIA Certification replied 6 years ago

Bookmark this and you can come right back to this posting thread. I will also make a phone chat option available for you.

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Customer reply replied 6 years ago
Thank you
RV Mechanic: Randall, RVIA Certification replied 6 years ago

You are most welcome!

Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 28,170
Experience: RVDA/RVIA Master Certified Technician with many years experience.
Verified
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