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.

Posted by abbott835 on

  • 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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1 Answer

Franklin Ouchida

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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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2 Answers

I have a kitchen aid two sided refrigerator model #KSRB27FHSS04.The freezer part always iecing up, change the thermostat about 3 weeks ago. The fridge part still is not cooling like it should.


Yes I see the panel is covered in frost indicating a failed defrost heater and defrost thermostat. If you changed the timer then you have two more components that need to be replaced=> The 2188175 Defrost Heater Assembly and the=> 2196155 or W10225581 Defrost Thermostat Here is a KSRB27FHSS04 pats manual for your model and the parts are located behind the panel in your photo. Parts are listed on page 17 of the parts manual. You will need to defrost freezer before you will be able to see or replace these parts. Unplug and remove that rear panel and use a hair dryer to melt the ice blocking airflow on the evaporator. Please send another photo of the ice once you get rear cover off in back of the freezer
Appliance 911 Sea Breeze

Oct 05, 2015 | Refrigerators

1 Answer

Coils freeze up and fridge runs all the time till I melt coils.


There might be a few causes

Door Seal might be defective causing the door not to shut tightly this causes air from the room to get into the freezer through the opening and as the air comes in contact with the evaporator coils, it freezes. Normally the defrost system removes the ice but if the seal is defective the coils freeze too quickly and the defrost system cant keep up

If the freezer evaporator coils ice over, the defrost thermostat might be defective. Several times a day the defrost heater turns on for a few minutes to melt away any frost that may have accumulated on the freezer evaporator coils. In order for this to work, the defrost thermostat has to sense that the coils are cold enough. If the coils are cold enough the defrost heater will turn on. If the thermostat is defective it may not be able to sense the temperature of the coils and then won't turn on the defrost heater. If the defrost heater doesn't turn on, the evaporator coils ice over and eventually no air will be able to travel through the coils to provide cooling to the freezer. The defrost thermostat can be checked for continuity. It should have continuity when it reaches the low temperature of its operating range.

Jun 03, 2015 | Refrigerators

1 Answer

Is my defrost timer broken or my thermostat? The freezer was holding -30 temp but now is at +30.


Is the compressor running? If not - the timer could be stuck in defrost mode. If it is ruinning, then the freezer coil should be cold. If it is choked with frost & ice - then the defrost heater isn't getting powered (bad timer or defrost terminator - or is getting powered but has burned out.

You should allow the ice and frost to melt completely before turning back on again. Typically ice and frost don't build up so bad in a few days time to cause the temperature rise you're describing If getting cold - the compressor and refrigerant is likely OK, if not the defrost circuit is suspect. If compressor running but not getting cold - a refrigerant leak / charge level may be causing the problem.

May 18, 2015 | Arctic Air 22 cu. ft. Commercial Freezer...

2 Answers

Why is water leaking out evey day???


Is the water leaking from the refrigerator compartment or the freezer compartment? Can we assume the "leaking" water is more than some accumulated humidity/moisture (check your door gaskets)? Have you checked all water lines/fittings for the water dispenser/ ice cube maker (if you have one)?

If it is is the freezer section, the problem may be a clogged drain line (is there ice blocking the trough drain hole?) at the bottom of the freezer (evaporator) coils? You may need to defrost the freezer, check for any faulty parts (e.g., defrost time/ADC, defrost thermo, defrost heater), and clean the drain trough/tube. See Refrigerator Defrost Parts for illustrations.

May 22, 2014 | Roper Refrigerators

1 Answer

I have a Paragon 8145-20 D-Frost-O Matic installed in on my walk-in freezer. The ice is accumulated on the fins of the freezer. Now it run for 11 minutes then stop for 3.5 minutes. I think the stop time...


1) Copy following links:
http://waterheatertimer.org/images/8145-work-image.jpg
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost

2) Typically the 8145-20 defrost cycle is time-initiated and starts when tripper pin located on outer part of dial passes the time-of-day point.
Defrost cycle terminates or ends when pressure or temperature switch activates. This is also called the cycle limit switch.
http://waterheatertimer.org/images/8145-20-wiring-600.jpg

3) So your situation sounds like the pressure or temperature switch is not working correctly.

4) The 8145 timer also has 'time termination' setting. This red tripper is located on inner part of dial.
Usually the 'time termination' is used as back-up system if the pressure or temperature switch fails so that defrost cycle will not continue melting everything in freezer.

5) To solve problem until pressure-temperature switch is replaced, you can disconnect wire on terminal X, and then set 'time termination' for correct length of time by experimenting.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Dec 27, 2012 | Paragon 8145-20 Defrost Timer

1 Answer

Roper refrigerator doesnt defrost


The first thing you want to do is open the freezer and see if the fan inside there is running. The reason is the freezer cools the refrigerator side by circulating air from the freezer. If the fan is running then your problem is one or more parts of the defrost system is malfunctioned and in return your problem arises. There are three parts to the system, the defrost timer or in some cases control board, defrost thermostat also known as a bi-metal, and the defrost heater. The defrost system is set up to operate as so. The defrost timer or control board will turn the machine off, in some cases every 8 hours, some 12. During this time period the defrost heaters, located behind the freezer wall and rest underneath the evaporator, yet wires to them run up the side of it, are energized and emit heat that raises upward to melt the ice that has formed on the evaporator coils. The bi-metal or defrost thermostat is at the top of the evaporator. When the heat from the heater starts to reach the bi-metal, it breaks the circuit turning the heater off. The whole purpose of this is because the freezer cool the refridgerator side by drawing air across the coils and blowing to the other side via the evap fan motor. In my opinion, if you change one part of the defrost system change them all because usually when one part fails another will follow, so save yourself the time and the food loss, the cost difference is minute.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_4570d45317834dd3

May 27, 2012 | Roper RT21AKXKQ Top Freezer Refrigerator

1 Answer

Freezer stopped working


the freezer and refrigerator work from the same coil. you may be accumulating ice on back panel of freezer. most of times the defrost thermostat is bad.while box is cold check for continuity through defrost thermostat. if good check ohms on heater. if good you should have a standard defrost timer replace it.

Aug 04, 2010 | Roper RT21AKXKQ Top Freezer Refrigerator

1 Answer

OUR REFRIGERATOR RUNS ALL THE TIME AND ONLY SHUTS OFF FOR ABOUT 5 MINUTES A DAY. ALL THE FOOD STAY COLD AND FROZEN IN THE FREEZER. REFG.


Most of the time when a unit runs all of the time there is a problem with the evaporator fan being either blocked with ice or running slow due to a dirty bearing. The 5 minutes a day you are refering too is the time when the defrost cycle is in progress. If the defrost cycle is working properly is should take more than 5 minutes. I would try manually defrosting the unit by unplugging the uint, removing all the contents of the freezer and place a fan so that it blows into the freezer section for about 2 hours. This will melt the ice if any in the freezer section and clear any ice blockage. Mind you this will result in water dripping in places that it normally does not drip so have a mop and rags available to tend to the dripping water.

After the 2 hour period plug in the unit and re-load the freezer. If the problem is corrected by maually removing the ice with the fan then you of course need to do nothing more. If the unit after a serveral days begins running all the time again then it is not defrosting properly. Just reading your 5 minutes a day off time has me thinking that the defrost thermostat has failed in the closed position causing the defrost timer to cycle straight through the defrost cycle vs pausing until the termostat reaches 60 F an closes as it should in normal operation. If that thermostat is closed all of the time there will only be a very short pause 3 to 4 times a day whent he compressor is off. This is not an expensive repair should the uint require further servicing after you manually defrost it. Good Luck.

Jan 04, 2010 | Refrigerators

1 Answer

Refrigerator runs, cools (freezer too), then stops cooling for a few days (freezer stays somewhat cool), then starts cooling again. Help...:(


In these new fangled ice boxs is what you call adaptive defrost control. Instead of the old tried and true defrost timer, brainiacs have decided to use artificial intelligence to determine defrost.
The basic pattern of adaptive defrost is:
COOLING,PRE-CHILL,DEFROST,DWELL,and POST-DWELL.
Hey I ain't making this up. The ADC (adaptive defrost control) Counts the number of times the doors are opened, the total compressor run time, and the length of time the defrost heaters were on during the last defrost. This method supposedly enables the adc to work nice in all kinds of conditions, whether hot and humid or cold and frigid climates. COOLING Mode will remain for an indefinite time or until defrost is determined by the micro-processor. When all systems are go for defrost the adc makes the jump to light speed by going into PRE-CHILL, this brings down the temps in the freezer to off set the defrost operation so that the food temp does not suffer dramatic temp rises. Pretty cool ain't it? If the ice box is in pre chill and the door gets opened then a DEFROST HOLD OFF will jump in and not do a defrost for several hours. If the door is continually opened at the end of 16 hours the adc is gonna defrost that ice box anyway. The defrost period varies but is a maximum time of 45 minutes including when the DWELL kicks in. Dwell is the length of time the ice box stays off AFTER the heater is terminated.
Then The POST DWELL will kick in. The post dwell will fire up the compressor and condenser fan but the inside fans will not run allowing the coils inside to cool down before them fans kick in and she jumps back into Cooling mode. I bet you would like to have a copy of GE's adc repair manual wouldn't you?
TECHNICAL SERVICE GUIDE

If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61

Dec 22, 2009 | Kenmore Refrigerators

1 Answer

Roper Fridge


You have one of the following problems which is indicated by the frost buildup. Your defrost timer has failed, or defrost heater circuit consisting of a defrost heater and defrost thermostat. Start at the defrost timer. May be located in the fridge compartment near the temperature controls. There may be a recess through which you can turn the dial SLOWLY clockwise until you hear one click. the freezer will be in defrost. Wait 18-22 minutes and the freezer should defrost and restart into cooling. If it does not restart after 30 minutes turn the screw clockwise again one more click and it should restart.
If you had to turn it again to get it to restart the timer is bad and needs to be replaced. If the timer restarted the cooling mode after 18-22 minutes and defrost did not take place your problem is in the heater circuit.

Jun 09, 2008 | Roper Refrigerators

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