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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                   
zimminkie

Sharp Portable A/C Model CV-P13PX

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zimminkie

Hello,

I've had this thing barely two years and the fan noise has become unbearable. I bought this only because the shack in which I was living had unusually sized casement windows and a window a/c would not fit.

Does anyone have the service manual? I have the owner's manual.

I would appreciate any advice...

I finally got so fed up that I removed the plastic a/c case, which was pretty easy, just remove a few screws here and there. But lo and behold, the fan is still unviewable and inaccessible (to me) because it is in a compact encasement covered with some kind of rubbery tape at the top of the a/c unit.

The fan sounds unbalanced or as if it is striking against something. Interesting enough, when I slightly press down on top of the fan housing, it reduces the amount of noise it makes. I currently have a weight sitting on it, but I can't leave the a/c exposed and running like this.

Anyhow, any information on this type of portable a/c unit and this problem would be appreciated.

Thank you all...

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applianceman18007260692

The most likely problem is a loose hub. I cannot find parts in my area for these dudes and almost always the motors shafts size is oddball so even generic blades won't do.

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RegUS_PatOff

parts diagram for the CVP12LX

50033056-00002.png

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zimminkie

Thanks so much for the above diagram, though it's a little challenging to "read" and identify parts.

Nevertheless, I was uncomfortable running the a/c exposed so I decided to put the plastic casing back on the unit. I placed some folded material (anti-slip rug padding) on top of the fan/and whatever else is in there housing so that the a/c case would put some pressure on it (not a lot of pressure just a little) when I screwed it back on.

So far this seems to have done the trick. The fan rattles no more at this point. It's running quieter than it ever has. Keeping my fingers crossed.

Strange, but true.

Thanks for all your help.

PS: For what it's worth, unless you have desperate and unusual circumstances, as I had...I would NEVER recommend this kind of a/c unit...it was expensive, it's bulky, it's not energy efficient, and is not as portable as the ads would have you believe. I recently bought a 5000 BTU window a/c (GE brand) for a smaller bedroom (about 2/3 the size of mine) and I was amazed at how quiet, fast-cooling, and efficient it is and it only cost $99.00. And I have been living with 100+ daily temps for almost five months now...:yucky:

Edited by zimminkie

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