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    • Samurai Appliance Repair Man

      Webinar Recordings Index Page   11/07/2017

      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) 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.
    • Son of Samurai

      [Webinar] Appliantology Workshop   11/09/2017

      Information is the name of the game in the appliance repair trade today. Appliantology is a powerful information tool for the professional appliance repair technician. But just like with any of the more capable tools in your tool bag, many of the more powerful features are hidden from you unless you "read the manual." Ugh! Who wants to do that? Well, this is one time when you don't have to! In this webinar, Team Samurai will personally walk you through the site and show you many of the useful and powerful features that even long-time users probably never knew existed.   

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  1. From now on potential electrical issues will be a big red flag. Get into the habit of checking a unit’s frame to a trusted ground before you start working on anything with a power related issue. I went out on this call expecting something to be wrong with the refrigerator and so as usual I start the standard diagnostic process. It was plugged into a standard outlet and not a gfi so I automatically rule out nuisance trips from being the culprit. I opened the door, felt the hot gas lines, listened to the fans, checked the temps in the freezer and the refrigerator, cycled the icemaker, put the unit into defrost and heard the heaters kick on and start sizzling. Everything seemed to be normal and working as expected. At this point I figured a mouse may have gotten into a wire or the icemaker line and I really needed to check the back compartment out anyway so I pulled it out to take a look. Again everything looked normal, nothing unusual. I unplugged the unit, checked for continuity between neutral and l1, ground and l1 and again nothing unusual. I plugged the refrigerator back into the outlet and needed to roll it forward a little so I pushed the bare metal back with my hand forward and in doing so my knee hit the copper line coming out of the wall. This is where I simultaneously found the problem and I took 120 volts straight through the chest, violent shaking the whole bit. It hurt like hell and left me scared to touch the damn thing again, but I went back to work. I checked the outlet and it was wired backwards (hot and neutral reversed) but that's not really that uncommon for a house that's 20+ years old around here. I checked ground to neutral and I got some really big fluctuations in resistance that were sometimes unreadable by my fluke meter so I knew something was going on but not sure exactly what. So I checked ground to the copper pipe. 120 volts. I plugged the refrigerator into a gfi outlet that had a microwave on it and turned off the breaker to the refrigerator and got her in contact with an electrician I know and trust. He went out and a few days later I spoke with the customer again and she told me that the electrician said I was really lucky so I had to call and speak with him about it. I called him and he told me that the ground wire had shorted out to the hot line, energizing everything. I asked him how that was possible without tripping the breaker and he said that the outlet didn't return to ground, that someone had crawled under the house and rigged up the electrical line at some point probably removing the ground and that something chewed the wires shorting the ground and the hot line. The lady said she had no knowledge of it and it must have been done before she bought the house. I'm making the assumption that something had chewed the wire shorting the rigged up ungrounded ground wire to the hot line. I still don't understand completely what happened but I know I got the shit shocked out of me and if I would have had a hand hold on something I may have been killed, but I wasn't thankfully. It still scares me though. This woman was old and frail and if she would have touched the refrigerator and the sink or the microwave anything to a good ground it probably would have killed her. Be careful with electricity. I've been shocked many times but never like that. 120 volts are extremely powerful. We tend to get complacent with it.