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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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Accessing the Damper and Evaporator in a GE Monogram ZISS420D Refrigerator

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Samurai Appliance Repair Man


How's your Thermistors ?

For service manuals and lots of other goodies, become an Apprentice==>

may not need to do all of the following:

from the 31-9091 service manual:


The fresh food compartment receives chilled air via an electronic damper

that is positioned at the top rear of the fresh food compartment.

The damper is controlled by the main control board and when open,

allows the evaporator fan to push chilled air from the evaporator

into the fresh food compartment.

To Remove the Damper

1. Remove the light cover.

2. Remove 4 Phillips screws and the light assembly.

3. Remove the Styrofoam section covering the damper.

4. Disconnect the damper wiring connector.

5. Carefully pull the damper out of the mullion and remove.

Access to the Evaporator:

To Remove the Evaporator Fan

1. Remove the ice bucket.

2. Disconnect the icemaker connector.

Loosen 2 screws and remove icemaker.

3. Remove 4 screws and slide the icemaker drive motor assembly forward.

Disconnect the wiring connector and remove the assembly.

4. Remove 2 screws and inner section of left ice bucket track.

5. Remove 2 screws and wiring cover.

6. Remove 6 screws and evaporator fan cover.

7. Disconnect the evaporator fan wiring connector.

8. Remove 2 screws from the fan mounting bracket and remove the fan.

Defrost Heater

Caution: Use care to avoid scratching the finish on unit walls.

The defrost heater is a single calrod-type, radiant heater mounted on the evaporator.

To remove the defrost heater:

1. Remove the evaporator fan.

2. Remove 8 screws and freezer ceiling panel.

3. Remove Styrofoam insulation from the bottom of the evaporator drain pan.

4. Loosen evaporator drain hose clamp.

5. Lower left side of evaporator drain pan and slide right side out of drain hose and remove.

6. Disconnect the heater wiring.

7. Remove 2 screws from the left and right heater fasteners.

8. Slide the heater toward the front of the freezer compartment and remove.

Source: Monogram ziss420d

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