Question about Dometic RM2852 Refrigerator
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: 2002 RM 2852, the refrigerator (lower section) will not work its warm inside, but the freezer (upper section) works fine, it will freeze water bottle to hard ice. All fuses are good. Please help!!
cooling unit is bad my friend there is a temporary fix but in my opinion not worth your time take the unit out and flip the refer upside down this sometimes dislodges the blockage in the cooling unit all a rv fridge is is amonia and salt if not used all the time the salt crystalizes in the orfice and blocks the unit a rebult cooling unit 550 about and labor 4 hours at your dealers rate a new fridge about 1500 installed
my shop 360 for labor 550 about for unit 910
I ALLWAYS RECOMEND REPLACING THE FRIDE COMPLETLTY
you get all new electronics and a new box
Posted on Aug 01, 2009
If your freezer is getting down close to zero degrees (F) then I doubt that your refrigerant is low. The most common cause of the refrigerator section not getting cool (approximately 40 degrees (f)) is a fan that pulls the coils in the freezer into the refrigerator has failed. A very common failure of a cheep little fan motor. Normally that fan is behind a panel in the freezer section at the bottom. Determine where the cold air in the refrigerator section normally enters and the fan will be above there.
Posted on Aug 11, 2009
Check the solenoid coil with a properly calibrated ohm meter. Remove the connector from the solenoid
and measure the resistance across the terminals. The proper reading would be 49 ohms with tolerance
range of ten percent. . .
Next, hook up a manometer at the test port. Then check for DC volts at gas valve terminals while the
unit is in trial-for-ianition. If DC volts are present and pressure is low, replace the valve. If DC volts are
not present at the valve while the unit is in trial-for-ianition, verify that the wire at Plug 3, Terminal 2 on
lower circuit board have DC volts v (9V or more)
IGNITER First verify proper voltage at the positive (+) and ground (-) terminals of the ignitor. The reading should be within one volt of incoming voltage at the main terminal block during trial-for-inanition Next, remove high voltage cable from igniter. The igniter should produce a sparking sound, during trial-for-inanition. If not, replace the igniter. The igniter installed on the refrigerators as original equipment is part number 2931132019 (RV Gas Model 679). This igniter is rated 50 MA. This igniter may also be used on any other model
Hope this helped
Inanition: Proofing for ignition
Posted on Dec 27, 2010
As per the problem, its indicating towards bad thermister, it has to be replaced.-----
The thermister is the part That controls the temperature.----
To test the thermistor follow this procedure :---
Disconnect the thermistor harness from the P2, 2-pin terminal on the lower circuit board. Place the thermistor in
a glass of ice water (more ice than water), approximately
33° F to 35° F. Wait 8 to 10 minutes. You should get a
reading of approximately 8,000 to 10,000 ohms. Always
test from the wire side as shown with the meter as not to
create a connection problem at the P2 connector.
There is a service manual available for your dometic rm-2652 refrigerator.
Click the link below:--
On page number 11 is mentioned about thermistor.---Be sure that it just didn't get knocked off the fin where it attaches in the fridge. If it tests bad then it is about a $30 part depending on where you buy it and it takes about an hour to replace. Also be sure it has a good connection on the control board.
all tests are provided in service manual.------- Also click this link for more details:--- http://technoanswers.blogspot.com/2011/07/dometic-fridge-freezing-in-refrigerator.html ---------- This should help.thanks.Helpmech.
Posted on Jul 08, 2011
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