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      Webinar Recordings Index Page   10/03/2017

      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) 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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      Having laid some theoretical groundwork in the last webinar, we're going to focus on practical considerations in this one. That means quick n’ dirty techniques for diagnosing sealed system problem using strategically chosen and skillfully interpreted temperature measurements.  Review homework from the first session on 10-2-2017. Home refrigerator practical design and operating rules-of-thumb useful for troubleshooting Practical application exercises Troubleshooting scenario exercise Techniques for making system temperature measurements for determining superheat and subcooling Sealed system diagnosis homework assignment (to be reviewed in the next webinar in this series) If you attended the first webinar in this series, this is your payday! We’re going to apply that keen, penetrating insight you now possess into money- and time-saving shortcuts you can use to diagnose real-world refrigeration systems on service calls. See this calendar event for more details                   
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kdog

New Appliance Service Manual added: Fisher&Paykel GWL11 Washer

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DADoESTX

Testing of the diverter valve is not outlined in the Phase 6 documents. Per the service docs I've seen, F&P references it only in the GWL10 manual ... although the diagnostic control is applicable to subsequent models (GWL11, GWL15, etc.) that have a diverter.

EcoSmart models (GWL11, GWL15, etc.) -- the Delicate cycle button toggles the diverter on/off.

IWL Intuitive Eco models -- the Home button toggles the diverter on/off (Machine Status screen will advise accordingly, Diverter:Off or Heating or On or Cooling).

Test procedure:

1. Fill some water into the tub, not a lot, just enough to see it coming up on the agitator skirt.

2. Turn the diverter on. Wait 2-ish minutes for the diverter to heat and shift to recirculation mode (IWL status screen will confirm it, GWL has no direct indication).

3. Turn on the pump, water should shower from the recirculation port and NONE out the drain hose.

4. Turn the pump and diverter off. Wait 3-ish mins for the diverter to cool and shift back to drain mode (IWL status screen will confirm, GWL has no indication).

5. Turn the pump on, water should flow out the drain hose and NONE from the recirculation port.

Per my IWL12, there is are two additional "diagnostic" screens available on it, and presumably on all IWL models. After entering Diagnostics, press/hold Lifecycle for an additional beep. Release Lifecycle (then press it again to get the display back if it has gone blank). Now, two additional screens will show (press Options Up or Down to switch screens).

Version Status

CC = I assume is accumulated Cycle Count

RPM = RPM reading on the SmartDrive motor

MC = I assume motor controller software version

Display = I assume display board software version

The other screen reports some parameters related to cycle status, fabric sensing, and water level sensing that largely aren't of diagnostic use ... except WL I believe is the water level depth reading in millimeters.

Note that Diagnostics can be accessed on IWL while a cycle is running without interrupting it. Press Power once to exit, the running cycle will continue.

For fun on IWL ... when in Demo Mode (Start + Power), press/hold How Dirty Up to play a tune. (Press again to stop the tune, or let it play to finish). Press/hold Fabric Care for a 2nd beep to change the tune. Press How Dirty Up again to play. There are three tunes on my IWL12. If How Dirty Up "maxes-out" at top of the range, press How Dirty Down back to the bottom to continue playing. Remember that Demo Mode is canceled by unplugging the power cord for about 15 seconds.

DishDrawers also have musical easter eggs, and some of the EcoSmart washer models.

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