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Whirlpool arc 7720

Hi, constantly being having problems with build-up of ice in back of freezer, resulting in having to use hairdryer on regular basis, i today tested the heater using a multi tester and got positive result of 25-30, however there is a plastic tubing containing numerous wires at back of freezer beside the fan, which works fine, however the two wires that connect to the heater(blue/white & black) gave a negative reading, do these wires run to the timer and if so where is it located, so just to clarify the blue/white & black wires that come fitted as standard on the heater are showing a positive reading but two wires that plug into the heater are showing negative reading, any advice would be much appreciated, many thanks Stewart

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Krazytech
  • 725 Answers

SOURCE: my amana scd23vbw

first do you have any heat from the compressor ? ( back bottom of the fridge) is the evaporator fan running. let me know and I can help..

Posted on Sep 05, 2007

  • 3422 Answers

SOURCE: whirlpool et1chmxkt03

HI,

You can remove the shelves and peel off the back cover and clear the drain by pouring hot water on the frozen drain hole. If you have a baster of some sort you could try to squirt the hot water through the venting on the bottom of the panel. Another way to to point a hair dryer on the drain hole. The best method is to remove the shelves and panel and make sure the drain is clear.

Goodluck,
Please don't forget to rate the solution.

Posted on Mar 30, 2008

zeusfaber
  • 247 Answers

SOURCE: evaporator fan jams with ice buildup from drain

Could be that, or it could be the temperature sensor on the evaporator - if that goes, then as soon as the freezer starts a defrost cycle, it will think it's got the evaporator hot enough and will start cooling again.

Suggest you let the freezer thaw out then, with a voltmeter connected across the terminals on the board which connect to the sensor, turn the freezer on and see if the sensor reacts sensibly to the evaporator cooling down. It's usually done with a thermistor, but just for the moment, I can't remember whether it's usually a PTC or an NTC.

That way, if it is the sensor, you'll be spared the expense of replacing a serviceable pcb.

A.

Posted on Apr 13, 2008

SOURCE: whirlpool icemaker not making ice

There are instructions available to repair this problem at www.AnyoneCanFixIt.com. They also sell the part needed to make the repair. Common problem on these refrigerators that were made in about 2005 or later and have the ice bin bucket on the door.

Posted on Jul 31, 2008

  • 64 Answers

SOURCE: Need photo of Defrost Switch or Sensor

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Unit needs to be cold when you test. it closes at around 20 or 30 degrees F and opens around 55 deg F

Posted on Jul 02, 2009

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hello stewie,

with that kind of fridge that you got, im pretty sure you got a board defrost. but that's not the only issue here.

if you have ice build-up, three things to look at.

first, the heating element, test for low resistance.( it must be low )
second, the bi-metal, test it while frosted up and it should have continuity. it is in the evaporator attached to a coil. it has two wires in it.

third is your board which controls your defrost cycle. ( very hard to tell if the board is the problem unless there is no problem with first two components stated earlier.)


tnx 4 using fixya,

drcool

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