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Samurai Appliance Repair Man's Blog



How to fix a Samsung dual-evaporator refrigerator where the beer compartment keeps icing up

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 02 July 2011 · 3,355 views

This fix is for the Samsung-built refrigerators (includes some GE's) with two evaporator coils: one in the freezer compartment and a second one in the beer compartment (most refrigerators just have a single evaporator coil in the freezer compartment).

The problem here is that ice would be left in the condensate drain pan after defrost (see below) which would build up to a solid chunk of ice.

Here's a clever, low-cost solution:

well I am back as prommised... great news....

well after 2.5 months I can say it is a fix indeed. I never lasted 6 weeks and the normal was 3 weeks.

so if you are giving up with all fixes because everything works like mine did but always froze up do this. do the soldering when the fridge is off. here are some pictures.

this one shows the ice left after a defrost cycle, this should not be there. It is a problem. you can see to the left it doid melt some ice, but there is still a section that is just going to keep building because it did not melt through a complete defrost cycle. I have higher resolution pictures at a link at the bottom of the post.
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below is the 2.2 k ohm resistor in series. do it with power unplugged. just cut one yellow wire close to the connector and solder a 10 cent resistor in and tape it
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here is a modification to the heat sink. I added some aluminum flashing to make contact on both heater bars to transfer heat to the lower part to melt the ice. make sure you have a curve contact on the bars for better contact area. not shown is I have a tapered small tab on that flashing that also goes into the drain hole to make sure the drain hole is kept from being frozen

I also added a heat sink to the left, it was not making good contact with the sheet metal, so I made a piece that made more contact and stopped it from being a hot spot. which could cause that area to burn out. they tried to do it all with the rivited points, that just is not a lot of contact area.

I bought the aluminum flashing at Ace hardware, but bet you can get small sheets at hobby shops.

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here is a bending of the upper tabs to make better contact and allow the water to drop to the bottom during the defrost vs handing on after the defrost and freezing and adding humidity. i only did this on the top row. i did not bend the one on the left yet and you can see the water droplet right behind it.

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here are higher resolution photos if you need them click below
fridge





Source: defrost failure samsung model RS2555SL


How to tell if you have a worn tub bearing or a broken drum suport in your front loading washer

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 30 June 2011 · 1,330 views

Do this test...
open washer door and grab the top edge of the inner wash basket
push straight up on the basket while steadying the outer drum with your other hand
is there any lateral movement? Or is it tight and secure?
hope for the latter, because the former is the telltale sign of a worn bearing, a broken support spider or both...not worth repair if this is the case.

If all is good here, go around back and take off the cover. Look for a loose pulley on the basket shaft.
of course the counterweights could be loose but you don't need me to tell you how to check this.





Source: Making A Rukus During Spin Cycle - GE WCVH6260FWW


How to troubleshoot an F28 error code in a Whirlpool Duet Sport washer

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 30 June 2011 · 2,063 views

OK ... going by memory here.

- First ohm out your motor. You should have approx 6 ohms between 1-2,1-3 and 2-3. You should also get 120 ohms on 5-6 which is the tach on the motor. If that is good ...

- Open up the little flap on the MCU board. Start a regular wash cycle and check for voltages at the MCU. On the pink wires you should get 120v. (With the wires connected to the MCU - don't disconnect them to check the voltage.) On the connector with the little blue wires - you should have 5 vDC.

- If you are getting the correct voltages at the MCU and the motor ohms out good, then you have a bad MCU.

- If you are not getting those readings at the MCU, then check continuity on the blue wires and the 2 pink wires from the CCU to the MCU.

- If you have continuity on all wires and the connections look good, then you have a bad CCU.


Part links ==> MCU, CCU

Source: whirlpool duet wfw9200sq00





How to fix a F71 error code on a Maytag MHWE300VW12 front-load washer

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 28 June 2011 · 2,888 views

Techsheet should be inside unit (behind lower panel) which will explain failcodes - F71 shows a heartbeat failure, and is usually caused by a failed motor controller

http://www.repaircli...8183196/1257029

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Source: Maytag Front Load Washer MHWE300VW12







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