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Samurai Appliance Repair Man's Blog

Using Temperature Data Loggers to Solve Mysterious Refrigerator Temperature Problems

Posted by Samurai Appliance Repair Man, in Repair Videos, Refrigerator Repair 17 October 2012 · 1,428 views
refrigerator, temperature and 3 more...



As professional Appliantologists, we've all run into situations where we realized that we needed a way to log temperature data inside a refrigerator for at least 24 hours to get a clear picture of what's going on inside that box.  A couple of examples are:

Customer complains of warm temperatures in the beer compartment of her Maytag side-by-side refrigerator but says that the freezer compartment is fine (and we know how accurate customer temperature measurements are... NOT!).  You arrive and measure the freezer temperature using your infrared temperature gun and get readings that vary from +5F to +12F.  Marginal temperatures for a freezer but was that because it was just coming out of a defrost or off-cycle?  Was the door recently opened just before you got there?  You don't know and all you have is the one data point: the measurement you just made.  Wouldn't it help your diagnosis if you could put a data logger inside the freezer for a day or so and then look at a graph of the actual temperature measurements inside that freezer over time?  
Customer complains that the freezer temperature in her GE built-in refrigerator fluctuates over time from 5F to 10F to 20F and then back to hard freeze.  You maybe even verified this yourself (if you spent enough time there to do this).  But how much time in a typical service call day do you have to babysit freezer temperatures?  And you still wouldn't be able to gather enough temperature-time data points to discern whether or not there's a pattern to the fluctuations which could then be correlated to some other process in the refrigerator (defrost cycles, compressor cycles, etc.).  Even seeing that there is no pattern, that the fluctuations are random, is also helpful because it could indicate something as simple as the door not being closed all the way (hinge adjustment issue?). 
See what I be sayin', mah bruvah?  In cases like these (and many others-- I'm sure you can think of several that you've been on), you just gotsta be able to look at the temperature inside the compartment over an extended period of time.  Enter the Supco LT2 LOGiT Dual Channel Temperature Data Logger:

Which needs the Supco LOGiT software package to enable it to connect to your Windows PC to set it up and download the data:


...and it all works AWESOMELY! Here's a video I made showing you how to set up and use the LT2 and the type of temperature profile graph it generates:


Since I am a Mac user who (until recently) didn't own a Windows PC, the above two items necessitated the purchase of my first Windows PC in over seven years!  Turns out this was not as expensive a proposition as it sounds.  


I clicked on over to my favorite computer gear store, Tigerdirect.com, and picked up this refurbished Lenovo Windows 7 notebook computer for less than $300, including shipping!

How to Changeout a Shaft and Mode Shifter Assembly on a GE Top Loading Washer

Posted by Samurai Appliance Repair Man, in Repair Videos, Washing Machine Repair 06 October 2012 · 2,942 views
wahser, GE, hydrowave and 1 more...
The shaft and mode shifter assembly is used on the GE "Hydrowave" line of top loading washers. These washers has the motor with the inverter board mounted on top of it. The inverter board has an LED that flashes on and off according to an error condition or standby that it's reporting. See the table below:

Posted Image
As you can see above, if the LED on the perverter board is flashes in a sequence of four flashes, this indicates a problem with the mode shifter circuit or mechanism. More info on accessing the motor perverter board in this post. For a detailed explanation of the mode shifter, what it does and how it works, see this post.

Replacing the mode shifter assembly is not a bad job at all. Here's the part link from RepairClinic with a one-year return policy ==> http://www.repaircli...8X10017/1475792

Posted Image

Excerpts from the GE service manual for this repair are on this page.

Here's a simplified video on how to do it:


And here are some worthy, enriching comments from a couple of Appliantological masters in the forums:

As the Samurai says this is not a bad job. I have done 5 or 6. I allow for about an hour to complete this job. A little longer if this is your first one.

After watching the video, a couple of points:

- I have never removed the Control Panel, Control Panel Bracket and Rear Panel. Although I can see that it would make it a little easier.

- For the Hub Nut, I bought a 1-11/16" three quarter inch drive socket and an 18" extension from Tractor Supply that was fairly inexpensive. That coupled with an electric impact wrench makes quick work of that hub nut. Also, TWICE I got a call that a tub was loose after a previous Tech had done a Mode Shifter. Both times I put that Impact onto the Hub Nut and that solved it.

- The Drive Pulley has never come off that easy for me. The way that was showed to me is to grab the pulley and lift up with one hand and strike the pulley near the shaft with a hammer and the pulley just pops off.

- MAKE SURE that you put all of the Wire Retainers back into their correct holes. This was a Mistake that I MADE and it cost me a Control Board. The wires moving back and forth from the action of the tub wore the coating off the wires, shorted to ground and took out the Control.

Piece o cake...I agree, about an hour...quicker if ya do a few.
my tip, the belt on these is a bitch to get on...zip tie the belt to the big pulley to assist keeping it in place as you run it on...then cut it off, of course.

You'll do fine...

Kenmore Oasis / Whirlpool Cabrio / Maytag Bravo Washer Continually Goes out of Balance

Posted by Samurai Appliance Repair Man, in Repair Videos, Washing Machine Repair 05 October 2012 · 2,275 views

Has anyone ran into this problem before? The washer is level and the suspension is good yet the machine continually faults out of balance with loads of all sizes. When load is rearranged the problem persists. I ran it in service mode with no problems, no stored faults, not unusually wobbly. Any suggestions?


You need to replace all 4 of the suspension rods as a kit. Even though they look all right, they aren't.


Click the photo to order the suspension kit:

Posted Image

And here's how to install it:

Source: Kenmore Oasis washer 110.27092601

Fixing a Frigidaire Front-Load Washer that Won't Spin

Posted by Samurai Appliance Repair Man, in Repair Videos, Washing Machine Repair 21 June 2012 · 793 views
Frigidaire, washer, pump and 2 more...
This client contacted me via email at 9pm using the Service Call Request form at my website, http://applianceguru.com and I was there the next day to repair the no-spin problem with her washer. In this video, I explain a couple of short cut techniques for diagnosing a bad door latch assembly in this washer. I had a replacement door latch assembly on my service vehicle and got her fixed up in one trip. That's SOP for The Appliance Guru!

Here's the part link to the replacement door latch assembly, comes with a 365-day return policy: http://www.repaircli...974?RCAID=24038

Fixing a Whirlpool Duet Sport Washer that Won't Drain

Posted by Samurai Appliance Repair Man, in Repair Videos, Washing Machine Repair 20 June 2012 · 1,046 views
Whirlpool, Duet Sport, Washer and 1 more...
This client called in with a complaint that his Whirlpool Duet Sport washer, WFW9150, was full of water and would not pump out. He was also getting the F9 E1 error code which corresponds to this problem. About 72.4% of problems are caused by something stuck in the pump, jamming the impeller. About 27.3% of these problems are caused a bad pump. The remaining 0.3% of these problems are caused by the pump not getting voltage which could be a bad wire connection or bad controller.

Watch with befuddled amazement as The Appliance Guru expertly disassembles the pump, plucks out a broken piece of hair clip that was jamming the pump and restores this machine to its design function.

If the pump turns out to be bad in your washer, you can buy the replacement pump here with a 365-day return policy: http://www.repaircli...0130913/1373005

The Appliance Guru provides prompt, convenient service in the following towns in New Hampshire: New London, Elkins, Wilmot, Springfield, Georges Mills, Sunapee, Mt. Sunapee, Newbury, Sutton, Bradford, Warner, Grantham, and the Eastman Community. Visit our website for more info and a discount coupon on your next service call: http://applianceguru.com

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