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American fridge freezer keeps freezing up and fouling fan We have switch fridge off and defrost manualy. This fridge is under two years old and we have had to do this at least six times .I have already had to have the fan replaced once.This I understand is a Known fault reported on Watchdog some time ago.Surely there is a repair for this fault now or a modification?

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Sounds like either the defrost heater or the defrost timer needs replacement. IF you can get to the heater and check its continuity then you can suspect the timer

Posted on Jul 25, 2008

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Whirlpool American fridge freezer FRSB36AF20/2 Triangle Warning light on and freezer not freezing. Fridge ok


Most common these symptoms point to a unit low on freon. The fridge gets its cold air from the freezer. So there is just enough freon for a good fridge temp but not to freeze water in the freezer.
Second would be the coils froze over due to the defrost circuit not working. Also check the conderser fan in the freezer. The cooling fan in the back bottom, if there is one, may have quit also.

Sep 27, 2014 | Refrigerators

4 Answers

Ice develops at back of fridge


hi chris
dave here hope i can help

I would test the defrost timer, defrost heater or defrost limit switch

TESTING AND REPLACING THE DEFROST TIMER
This timer activates the heater that melts frost in the evaporator for 10 to 20 minutes every 10 to 12 hours. In the process, it turns the compressor off and on. If it fails, the compressor may not run. Or the heater may not go on, eventually causing a hidden ice buildup that blocks the cold-air flow and disables the evaporator fan. An access hole lets you test the timer. If the timer isn't in the control panel, look behind the front grille or behind the rear access panel. If the compressor fails to run turn the timer until it clicks. If compressor goes on, timer is faulty. If unit isn't defrosting automatically and turning timer stops compressor or fan, timer is faulty.
Before replacing timer, spray it with electrical contact cleaner through access hole and turn it a few times. Stop just before a click and wait to see if timer advances on its own.
To replace timer, unplug the refrigerator and open control panel. Remove screws holding timer to panel and pull of leads. If wires aren't in a plug, move then one at a time to new timer.

EVAPORATOR AND DEFROST HEATER
In a frost-free unit, the evaporator coils, their fan, and the deforst heater are located behind the freezer's back wall or under its floor. The fan, which circulates cold air between the coils and the two food compartments, is controlled by the door switch, the thermostat, or both. To check the fan, open both doors, wait for the compressor to go on, and hold in the door switch. If you can't hear the fan running, test the fan(below).
The defrost heater, which melts frost on the coils, is cycled on by the defrost timer(above). If the frost melts before the end of the defrost cycle, the defrost limit switch turns the heater off. The heater may be a metal rod, a wire wrapped in foil, or a coil inside a glass tube. All are tested the same way. Test terminals for the heater are often located in the control panel or under a doorjamb; check the wiring diagram. Or test the heater leads inside the evaporator compartment.

TESTING THE EVAPORATOR FAN
To remove the evaporator fan, unplug unit; open back panel(or floor) of freezer. Then unscrew housing holding fan, and take off leads going to fan motor. With VOM(Volt-Ohm Meter) on RX1, probe motor terminals(except green ground wire terminal). Look for moderate resistance(50 to 200 ohms). Replace fan if much lower or infinity.

TESTING THE DEFROST HEATER
Open control panel. With VOM on RX1, probe test terminals. Look for 15-to 100-ohm reading. If infinity, turn defrost timer(as above); retest.

TESTING DEFROST LIMIT SWITCH
Trace and disconnect leads. With VOM on RX1, probe leads. Look for infinity reading when switch is warm, zero after 20 minutes in working freezer.

Hope this sources your problem
Thank you for using Fixya.com

Jul 20, 2008 | AEG Santo U 86000i Compact Refrigerator

1 Answer

My fridge freezer is less than 2 years old and the freezer is not working could it still be under warrenty?


If your fridge is self defrosting then you probably have a stuck defrost timer motor/switch. I can usually be found on the bottom of the front ourside of the fridge. You can try to advance it with a screw driver until you hear a click and once you do hear that click the fan and the compressor should turn on. Ifthey do then you will need to have the defrost timer replaced. After two years I doubt it is in warrenty. The only things that should be in warrenty is the compressor and all of the related tubing in the hermedically sealed unit..

I have had this problem many times and since I am a retierd HVAC engineer I was able to fix these defrost timers, mainly the actual motors that had dried bushings. You would first have to take the timer apart and get into those bushings and use a small amount of a good light oil like 3 in 1 oli. That usually does the trick.

Hope this helped you. If it did then would you please let me know, I would be courious to know.

Good luck,

Marty

Jun 26, 2014 | Beko Fridge/freezer Thermostat Genuine...

1 Answer

Fridge is not keeping the food cold, water at the bottom of fridge, freezer is not as cold, still freezes things but takes a long time. This is a Kenmore 20 fridge, my guess is 15 years old.


unplug the fridge and leave the doors open for 48 hours, then see if your problem is gone 24 hours later after you plug it back in, if it is, your fridge needs to have a repair to the defrost side of things, most likely the defrost termination therm or the defrost timer, also make sure the drain under the evaporator is not plugged up

Jul 22, 2011 | Kenmore 20.6 cu. ft. Top Freezer...

2 Answers

My fridge keeps freezing my food


The fridge gets its cold air from the freezer through a vent(damper) between the freezer and fridge.The fan in the freezer blows air through it. Make sure this fan is running. You may have to hold the door switch in for it to run. There is a flap you adjust with the fridge temp. control. Make sure it's opening and closing when you adjust the fridge temp.
The problem could be the electronic control if you have one or the mechanical linkages.

Oct 07, 2009 | GE Profile 26.6 cu. ft. Side-by-Side...

1 Answer

Whirpool f/freezer keeps breaking down


Hi, this is a module fault.
Look to have the module repaired on a big auction site.
hope this helps

Sep 20, 2009 | Refrigerators

1 Answer

Our 4 year old GE side by side frig suddenly warmed to 64 degrees. Freezer stopped freezing and is at 43. Motor is running.


Really need to know what motor(s) are running (compressor, evap fan inside freezer compartment, condenser fan under fridge)?? Of course, check your temperature (thermostat) settings. Side-by-sides usually have 2 of them. They should be labled for refridgerator and freezer. The freezer control usually only opens a baffle from the freezer compartment to the refridge compartment. The refrigerator temp control is the one that controls the compressor on-off cycles and the temp of refrig compartment (this keeps the refrig compartment from freezing the milk and cokes) If the freezer control/baffle is set too far open, this will cause the refrig temp control to shut off too soon for the freezer temp to get low enough. These controls can get bumped out of the correct setting accidently from time to time.
To check the following, the fridge has to be running, or in a condition where it "should be" running: If compressor is running (condenser fan should be too), check if evaporator fan (inside freezer) is running. Open (freezer) door and hold door light switch in when you check evaporator fan operation (some fans stop when door is open) If it is not running you may have a bad evaporator fan motor. It could also be a bad defrost timer, causing the evaporator (also inside back of freezer) to ice-up. This blocks the air flow over evap. Also, there is a defrost terminator switch on the evaporator coil that stops the defrost cycle when coil is clear of ice/frost (but timer hasn't ended defrost cycle). If it is defective, that could also keep the fridge from going into the defrost cycle, or taking it out too soon. If it is the timer, change the defrost terminator as well. Depending on how handy you are, you may be able to check/change any of these parts yourself. If you don't know much about elecrical stuff, you should leave it to a repair tech. Hope this helps.

Jun 25, 2009 | GE Refrigerators

1 Answer

Water Freezing Under Evaporator Fan


the defrost termination thermastat is what is cutting of before
time
it is located on the top of the evaperator in the freezer
part number is wr50x10153

the defrost timer is located in the fresh food section in the frount housing that the controls are mounted in

change the defrost termination thermastat and it will fixya

May 05, 2008 | GE PTC22SBMR Top Freezer Refrigerator

3 Answers

Have a 2 year old SAMSUNG RS2545SH Side by Side


Control board has gone bad....

What happens is the defrost is controlled electronically from a circuit board, when this goes bad, the freezer quits defrosting, and freezes the fans that circulate air through the fridge side of things.

To check this, unplug the entire fridge, leave the freezer open, wait for it to defrost a bit, if this causes the fridge to start cooling again when you plug it back in, then its the defrost. You should also see ice crystals on the back of the freezer just under the icemaker.

http://forums.partselect.com/refrigerator-freezer-repair/rerifgerator-side-not-below-54-degrees-6699.html

Mar 05, 2008 | Samsung RS2630SH Side by Side Refrigerator

4 Answers

Freezer keeps frosting up real fast.


Well, the defrosting system is crapped out. Check defrost timer, defrost heater, and defrost thermostat to locate faulty component. Read more about diagnosing defrost system failures.

May 10, 2006 | AEG S70408KG Bottom Freezer Refrigerator

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