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      Webinar Recordings Index Page   03/02/2018

      On-demand appliance repair training videos for Professional Appliantologist members Over 30 hours (and growing!) of original, high quality appliance training webinars developed and given by yours truly are at your fingertips, on topics you won't find anywhere else. Fill in those knowledge gaps, strengthen those areas of uncertainty, and boost your skills. Watch on mobile or desktop at your convenience whenever, wherever.  Ultra Short Primer on Basic Electricity, Circuits, Ohm's Law, and Schematic Reading (Length: 1:04:48) Basic Refrigerator Troubleshooting (Length: 1:10:45) Schematic Reading Workshop, 10/2015 (Length 1:19:08) Troubleshooting Strategies for Computer-Controlled Appliances (Length: 48:34) Semiconductors and PN Junctions (Length: 1:04:37) Appliance Temperature Sensing Devices & Technology (Length: 1:27:33) Voltage Measurements, Meters, Ghost Voltages, and Triac-controlled Neutrals (Length: 1:29:32) Troubleshooting with Tech Sheets, Part 1, 4/2016 (Length: 1:09:26) Troubleshooting with Tech Sheets, Part 2, 4/2016 (Length: 1:21:11) Tech Sheet Review, 4/9/2016: Bosch Speed Cooker, Amana Refrigerator, GE Glass Cooktop Range (Length: 1:22:58) Pulse Width Modulated (PWM) Switches used in Samsung Switched Mode Power Supplies (SMPS) (Length: 27:07) PWM Computer Cooling Fan in a Whirlpool Refrigerator (Length: 14:53) Understanding AC Split-phase Household Power Supplies (Length: 52:41) Troubleshooting a Samsung Electric Dryer without Disassembly using Live Tests and the Schematic (Length: 22:47) Troubleshooting a Bosch Dishwasher No-Heat Problem using the Schematic and Live Tests (Length: 15:38) Linear Motors and Linear Compressors (Length: 55:54) Bi-directional PSC Drive Motor Systems in Whirlpool VM Washers (Length: 56:52) Appliance Service Call Structure and Troubleshooting Strategies (Length: 1:00:16) The Ten Step Troubleshooting Tango and Workshop Exercises (Length: 1:35:39) Troubleshooting Ten-Step Tango Advanced Workshop (Length: 1:32:06) Ten-Step Tango Troubleshooting Workshop: Refrigerators (Length: 1:35:57) Whirlpool Duet Washer Schematic Analysis & Whirlpool Dryer Moisture Sensor System (Length: 1:03:04) Neutral Vs. Ground, Inverter Microwave, Digital Communications, Loading Down in DC loads, and more! (Length: 1:14:45) Gas Oven Service Call After a Parts Changing Monkey (Length: 36:04) AFCI and GFCI Circuit Protection Technology (Length: 41:26) Troubleshooting Samsung Refrigerators and more (Length: 1:29:58) 3-way Valves and Dual Evaporator Refrigerators (Length: 1:15:45) Split-Phase Compressors and PTC Start Devices (Length: 1:11:57) Gas Dryer Ignition Systems (Length: 53:50) Refrigerator Sealed System Thermodynamics, Part 1 (Length: 43:07) Refrigerator Sealed System Thermodynamics, Part 2 (Length: 1:09:09) Refrigerator Sealed System Thermodynamics, Part 3 (Length: 1:11:56) Refrigerator Sealed System Thermodynamics, Part 4 (Length: 37:45) Refrigerator Sealed System Thermodynamics, Part 5 (Length: 16:35) Appliantology Peer Group web meeting, Feb 25, 2018 (Length: 1:47:30) Appliantology March 2018 Peer Group Meeting (Length: 1:59:58) To access these webinars and all the other info-goodies here at Appliantology, become a Professional Appliantologist today. If you need cost-effective, time-flexible, state-of-the-art appliance technical training, check out the Master Samurai Tech Academy.
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      [Webinar] Appliantology Peer Group   04/24/2018

      Bring something you'd like to share with your brethren in the craft: it could be photos, a tech tip, new insights gleaned from recent training -- anything having to do with the business or technical sides of the appliance repair trade. If you've got something to show, we'll let you share your screen and give you the opportunity to teach us all something new. And of course, Team Samurai will be there to answer any questions you might have about how to use Appliantology.  

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Understanding the run cycles and the operating sequence of the neutral drain in a Whirlpool / Kenmore direct-drive washer

Samurai Appliance Repair Man


The neutral drain is a feature added to the later production models of the Whirlpool/Kenmore direct-drive top-loading washer to prevent the washer transmission from going into spin while the tub was still full of water. To accomplish this, Whirlpool jiggered a way of putting the transmission into neutral while the drain pump drained the water. Understanding this neutral drain feature has befuddled many Grasshoppers and Master Appliantologists alike. This post will hopefully demystify that for you.

First, a quick re-cap of the run cycles in the Whirlpool-built direct-drive top-loading washer:

1) Water fills tub

2) Agitation of items in tub

3) Rinse cycle begins by water pump draining water and tub spinning to wring out water (simultaneously)

4) The brake applies

5) Rinse continues by spin beginning again as water pours over the spinning laundry

6) Brake applies

7) Second rinse cycle begins by repeating the previous 6 steps, though the final spin is longer than the previous spins

Chef Master Appliantologist DADoESTX eruditely explains the operating sequence of the neutral drain:

To clarify, step 3 (drain) should not include spinning. The first batch of direct-drive machines produced in the early 1980s did a spin-drain ... but the transmission was redesigned to provide a neutral drain (NO spinning during drain) on all specimens produced from that point onward. Your machine should do a neutral drain, assuming it does not date from the early 1980s.

The operating sequence of neutral drain:

1) Agitation (of at least a couple minutes) during the wash (or deep rinse) presets the neutral drain mechanism in the transmission so that the next time the motor stops and restarts in the reverse direction, the transmission shifts to neutral (no agitation or spin).

2) Per normal cycle sequence, the motor pauses briefly after agitation, then restarts in reverse to drain the water.

3) After drain (2 to 4 mins depending on the model), the motor pauses and restarts again in the reverse direction, which releases the neutral drain mechanism and the transmission shifts to spin.

Jiggering the lid switch or opening/closing the lid during the #3 drain sequence has the same effect as a programmed pause in the timer, triggering spin to begin at that point.

If you don't jigger the switch or open/close the lid, does spin always commence after the 2nd timer pause? If so, then you don't have a problem. If not, then you do have a problem.

Lots of video teardown how-to help in the "part replacement" tab on this page ==> http://www.repaircli...ideo-Library/11

Source: Kenmore (Whirlpool) Mod. #110.23832100 Top Load Washer Won't Spin for Rinse Cycles

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