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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.
    • Samurai Appliance Repair Man

      [Webinar] Practical Refrigeration Sealed System Thermodynamics - 10/30/2017 @7PM ET   10/19/2017

      Having laid some theoretical groundwork in the last webinar, we're going to focus on practical considerations in this one. Here are the topics we're going to discuss: 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) See this calendar event for more details                   

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Repairing a Samsung Quatro Refrigerator

Samurai Appliance Repair Man

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Join Samurai Appliance Repair Man on a repair safari into Refrigerator Land. In this scintillating video, I narrate a series of photos I took during a service call I did on a Samsung Quatro refrigerator. These are unusual refrigerators because they have four evaporators (hence the marketing name "Quatro"). In this service call, I fixed problems with two of the compartments-- fortunately, both on the same side!

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Brilliant. Absolutely brilliant. Thanks.

Question please Scott. You stated you had to return later to allow the ice to melt and seperate from the back panel in order to remove it without cracking it.

Do you think it would be possible to scan it with an IR gun to find the coldest spots (signifiying where the ice is sticking most) on the rear panel and then hitting those areas with the steamer from the outside?

Kind of like the harvest cycle of an IM. It may create just enough of a melted film of water to release the panel without damage.

I realize nobody would want to have to pay for a new panel. Slow and steady though. Plus having never worked on one and not knowing what the layout is behind the rear panel, would be cause for "playing it safe".

Also, do you think the steamer may deform the rear panel while deffrosting?

Just curious if you think this may work, to spend extra time on the first call and not having to return at another time.

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Samurai Appliance Repair Man

Posted

Domo, Brother Beam, and great questions!

 

Do you think it would be possible to scan it with an IR gun to find the coldest spots (signifiying where the ice is sticking most) on the rear panel and then hitting those areas with the steamer from the outside?

 

 

This is a good thought but, in this case, I knew the ice was at the bottom section because the cover in the top part bowed back.  

 

The other thing is that in this model the evaporator cover has several layers with a metal backing so the plastic surface temperatures would not have necessarily reflected the temperatures in back of the panel.  This also means that applying steam to the outside of the evaporator cover would not have had any effect on the ice behind the evaporator cover. 

 

 

Also, do you think the steamer may deform the rear panel while deffrosting?

 

 

 

No.  In fact, this is one of the beautiful things about the steamer compared to hot air.  Hot air absolutely WILL deform the plastic unless you're very careful.  With a steamer, you would have to work really hard to get the plastic to deform.  

 

Just curious if you think this may work, to spend extra time on the first call and not having to return at another time.

 

 

 

I was dealing with a particular type of failure that caused the excessive ice formation on the evaporator.  Many other failures do not result in the excessive ice.  For example, the compartment thermistor could have gone out of cal causing warm compartment temperatures but without the failure of the bimetal in the defrost heater circuit.  The result would have been a very simple repair that, for this model, would not have even required removing the back panel.  So, it all depends on the exact nature of the failure and its effects.  

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DurhamAppliance

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great info... what is the model number?

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Thanks for the feedback. Duh, I did not even think of the panel thickness. I personally have not worked on one of these yet, but it looks very challenging.

I was using the old hair dryer method up until a year or so ago, then saw the steamer here and gave the hair dryer an early retirement. What an awesome tool these steamers are. I was concerned about the close proximity and the amount of steam required to try to melt from the outside.

Great points you made here. Are the service manuals available for this particular flavor? Would love to study up on these. Thanks again.

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Whats a part number for Both of the wire connectors

also whats a part number for the silicone

thanks 

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Samurai Appliance Repair Man

Posted

great info... what is the model number?

 

RM255LASH

 

I also show it in the video after the little Samurai Guy's intro, starting at about 0:54. 

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Samurai Appliance Repair Man

Posted

Whats a part number for Both of the wire connectors

also whats a part number for the silicone

thanks 

 

 

Here's the silicon grease I use:  https://www.amazon.com/Synthetic-Grease-Syncolon-Purpose-Lubricant/dp/B000XBH9HI/ref=as_sl_pc_ss_til?tag=mrssamskit-20&linkCode=w01&linkId=&creativeASIN=B000XBH9HI

 

The "Drycon" pre-greased twist-on connectors and the crimp-style bell connectors are both available at your local hardware store.  

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Gnominator77

Posted

Great video! I often wondered about the Samsung thermistors, if they were interchangable like the GE thermistors. Now I know, thanks! 

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Spannerwrench

Posted

Before Whirlpool bought Maytag, Maytag was contracted by Samsung for their Service Support in the states.  After Whirlpool took over they cancelled that contract. Here's they Maytag Technical Institute version of the original Samsung 2 door 2 drawer Convertible Side by Side Training Manual.  This in addition to the Fast Track is all you need for battle.

 

 
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