Question about Roper Refrigerators

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My 13-yr. old Roper does not self-defrost

Roper runs for long periods of time and ice accumulates; have to manually defrost. I defrosted this morning and it ran all day but just a few minutes ago shut off but I could not hear it defrosting.

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  • abbott835 Aug 18, 2008

    Thank you for such a prompt and complete response. We will definitely check into this and hope this will be the solution to our problem. :0)

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The defrost systems is:
HEATER-DEFROST
THERMOSTAT-DEFROST
TIMER-DEFROST
Start with the timer. It is just under the front kick plate. there is a knob you can turn it slowly.until it clicks off the compressor. then open the freezer and listen . You should hear the heater come on .. it will sizzle when it comes on ...
You will have to remove the back panel of the freezer to check the heater for and thermostat for continuity. Heater are the lease likely part to go bad... I always change thermostat and timers together.
let me know if this helps or we can chat if you need more help.
My 13-yr. old Roper does not self-defrost - cleardot.gif

Posted on Aug 17, 2008

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I have provided you with some liinks that will help you understand how your refrigerator works, courtesy of, www.repairclinic.com A manual defrost usually consists of a hot air blower which will melt accumulated frost or ice so that normal air flow can be attained. This does not repair the unit, but it will allow temporary operation until a servicer can be scheduled. Automatic defrost Years ago, all refrigerators had to be defrosted manually. You would turn the refrigerator off, open the door(s), and allow any frost build-up to melt. When the frost had completely melted away, you would turn the refrigerator back on.

Today, all but the smaller, apartment-sized refrigerators are self-defrosting. Self-defrosting means what it implies--though frost continues to accumulate inside the refrigerator, it melts automatically. The self-defrosting system has three functional components:


1.Defrost heater
2.Defrost thermostat.
3.Electronic Control
4.Thermistor
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3.Electronic Control
This part controls all functions and may be the number 1 item causing the problem. You will need to locate the trouble-shooting instructions, (usually in a shipping envelope somewhere behind the toe plate, under the freezer compartment)

4. Thermistor
This is a monitoring device and is usually not a suspect part.


http://www.repairclinic.com/Refrigerator-Freezer-On-Bottom-Appliance-Diagram

1. Defrost Heater
http://www.repairclinic.com/SSPartDetail.aspx?s=t-GB2SHTXTB00-%3d%3di1022690&PartID=1022690

2. Defrost Thermostat
http://www.repairclinic.com/SSPartDetail.aspx?s=t-GB2SHTXTB00-%3d%3di1033990&PartID=1033990

3.Electronic control
http://www.repairclinic.com/SSPartDetail.aspx?s=t-GB2SHTXTB00-%3d%3di1394438&PartID=1394438

4.Thermistor
http://www.repairclinic.com/SSPartDetail.aspx?s=t-GB2SHTXTB00-%3d%3di1057227&PartID=1057227

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