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Defrost Timer for National Refrigerator

We have a National Brand Refrigerator NR - B541M which was originally from Dubai and now in New Zealand. The Defrost Timer has failed. Where will I get another one and for what amount?

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  • mehmoodlambe May 11, 2010

    I have National Brand Refrigerator NR - B28E2 from Japan and have been using since last more that 15 years. Recently, the defrost timer has failed and tried to get it repaired with many servicing companies but in vain. Please advise in this regard whether it will be repaired and what would be the cost and whom to contact.

    Thanks for your kind co-operation.

    Mehmood Lambe

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Posted on Jan 02, 2017

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SOURCE: DEFROST TIMER FOR NATIONAL REFRIGERATOR NR-302 TE-G

the defrost timer have a motor inside it......it act as a watch, in every 8 hrs it defrost if the problem lies in it than you need to replace it as because it is not repareable

Posted on Jun 16, 2009

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imufo2
  • 3773 Answers

SOURCE: the refrigerator is national "nr-302

NOTE: This
is a multi-solution answer since I don't have all the tech from your question to pinpoint your problem
But the solution is in here generically, if you read and study the solutions very,very carefully.
First I would check cold control. Thats where you turn it off, if your temp is not warm. it can
be defective and not shutting off. If your temp is warm proceed with the following.
I would check the fan in the freezer. Listen to see if it is running
It moves air to the ref from the freezer
Then check to see if FREEZER CONTROL is turned WARMER WHICH MAKES THE REF COLDER AND VICE-VERSA. SEE?
The ref. temp should be about 33-35
The Freezer temp should be 0 to 10 Any thing below these temps is overkill and a waste of elect
The higher the number you turn it up to is the coldest
But is probably a common defrost problem The ice build up
is not being melted by the defrost system.The fan can't blow through the coils into the fridge.
Take out back panel of freezer to check for ice buildup. The coils should be clean.
There are three components to a defrost system- a heater,heater thermostat, and a timer unless you have a defrost electronic card.
Its best handled by a Technician but you could possibly do it by taking your model number to the nearest appliance parts store and asking for the parts. They are mostly located in freezer ,behind back panel on freezer coils.except the card which is usually located in ref The parts store will have info
Also check fan undernearh Ref in the rear
Clean condenser coils underneath
Make sure back cover is on the fridge. Some take them off and throw them away.
make one out of cardboard if its gone, using the holes of the old one.
.I'm including my article on Refrigerator Repair for your help and convenience.;
Please click or copy and paste into browser for Article

http://www.fixya.com/support/r5816737-fix_refrigerator_psychologically

If you need more help go here:

http://www.applianceaid.com/procedures.html

MORE
TIPS AND TRICKS:
-----------------------------------------------------------------------------------------------------
STOP PAYING FOR EXPENSIVE WATER FILTERS FOR YOUR REF. DO THIS====
http://www.fixya.com/support/r9962087-stop_paying_high_price_refrigerator
-------------------------------------------------------------------------------------------------------
WATER SPLASHING IN FREEZER AT ICEMAKER
THE FILL TUBE IN BACK OF REFRIGERATOR CAN SLIP
AGAINST THE FILL RESERVOIR CAUSING A PARTIAL BLOCKAGE
OR BECOME CLOGGED WITH ICE.
REMOVE THE ICEMAKER AND INSPECT THE FILL TUBE.
RUN WATER IN TUBE TO ELININATE BLOCKAGE AND CHECK
TEMP IN FREEZER. IF TEMP IS BELOW 0 DEGREES, THATS
OVERKILL AND USUALLY A WASTE OF ELECTRICITY TO KEEP IT THAT COLD, NOT TO MENTION THE FILL TUBE FREEZING UP
----------------------------------------------------------------------------------------------------------------------
Thanks for using fixya
Leo Ponder
imufo2
Please VOTE FOR ME AND GIVE ME YOUR TESTIMONIAL IF POSSIBLE, IF THIS WAS HELPFUL
ITWILL BE MUCH APPRECIATED.

Posted on Sep 17, 2011

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In there a defrost timer


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Remove power and defrost. Check heater element behind panels in back of freezer. With ohm meter should read 20 ohms or less. You could remove it and bring it to a local repair shop and have them test it and if required order you a new one. If this does not work it may be the control board

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Defrost is stuck in one all time it not cooling or freezing


A DEFROST TIMER is a cycling device, it times the frequency and duration that the defrost heater coils melt the ice that builds up around the evaporator coils. If ice is allowed to build up, air will not be able to freely flow past them - resulting in reduced efficiency and sometimes a drastic warming of the cooling unit.

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Most of the time, the defrost timer is in the cooling mode, allowing the compressor to activate when the thermostat signals it to. The remaining part of the cycle (usually less than 30 minutes)the timer is in defrost mode. In this mode, it signals the defrost heaters to melt the ice build up on the coils. This defrost action is limited by the defrost thermostat. If your DETROST TIMER go to bad, one symptom would be if your refrigerator is not cooling. Although there are many causes of this symptom, A stuck defrost timer can be one of them. The timer can get stuck in cooling (compressor activated) or defrost mode (defrost heaters activated) for usually two reasons:
- The timer motor can fail for one.
- The gears can also become locked up.

No matter what the reason is or which mode the defrost timer gets stuck in, the refrigerator can stop cooling. When the refrigerator is stuck in defrost mode, the compressor no longer comes on to cool the unit. If the timer gets stuck in cooling mode, the evaporator coils never get a chance to defrost, causing ice build-up to the point where there is a complete blockage of airflow past the coils.

The defrost timer can also cause the refrigerator to stop cooling due to failure of the internal switch which activates either the compressor or heater coils. Finally, when doing any repair on a refrigerator, check the condenser coils for dust buildup and clean accordingly.

According woth yur brand and model, look the part replacement in this link: partselect.com/refrigerator+test-defrost-timer+repair.

Good luck.

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I have frost free hotpoint future,the fridge seems to be working but the freezer isnt at the minute, the food is not freezing and the fan does not seem to be working! it has no suction on doors either, my...


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Relax, some people exagerate was all I was saying.
Anyhow, go to a good parts store and ask for a Supco EDT (Electronic Defrost Timer) replacement as they are more reliable and not much difference in price.

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http://servicepartstec.blogspot.com/

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DEFROST TIMER FOR NATIONAL REFRIGERATOR NR-302 TE-G


the defrost timer have a motor inside it......it act as a watch, in every 8 hrs it defrost if the problem lies in it than you need to replace it as because it is not repareable

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