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Samurai Appliance Repair Man's Blog

Early-stage AC motor failure and the famous 60 hertz hum

Motor, 60 cycle, failure, hum

The early stages of a motor failure exhibits the famous 60 cycle hum. 120 volts is supplied to the motor; if any of the windings begin to short; there is not enough induction, the rotor of the motor stalls and eventually locks (locked rotor amps) draws excessive current and trips the internal/external overload on the motor. Before this occurs, if a winding in the motor is shorting, you will hear a buzzing noise which is the 60 cycle frequency of the 120 volt supply indicating (perhaps) a failing motor.

Source: New dryer works great, but fills house with a hum noise

How to pay three times more for an appliance repair in your home

appliance repair, service call

I go out on a DOTT type whirlpool dryer, order says it won't finish cycle. He leads me to the laundry room and I find the thing completely dismantled. He said he hired a buddy to fix it, but he couldn't figure it out. He had the front off, the burner tube out, he bent and broke the clips to force off the kick panel. he removed the rear bulkhead, he took the front off with out removing the blower, he even took the screws out of the door. He failed to gain access to the console, lots of bending and pry marks but he never found the clips to open it up.

The only wrong with the machine was a blown thermal fuse.

It took 3 min to find the problem, and 90 min to rebuild the dryer around the new thermal fuse.

What a tool.

Source: DOTT Dryer all in pieces

Refrigerator Checklist - Spring 2013

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 26 March 2013 · 2,775 views
refrigerator, spring, fridge and 1 more...
Spring 2013 is finally here! When I think about spring, I think, "Oh, goodie: Refrigerator Season!" Why do I get excited and squeal like a little piglet in a donut shop about Refrigerator Season? Because I know my phone is about to explode with a whole lotta high-dolla warm refrigerator repair calls. Here are five simple things you can do to your refrigerator right now to keep your beer tooth-crackin' cold right on through the up-coming summer heat wave.

1. Clean your refrigerator condenser

This video shows you the basic condenser cleaning technique for most refrigerators. A special vacuum hose attachment and a condenser cleaning brush will help you kick some condenser bootay without risking damage to the tubing and causing a refrigerant leak.

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2. Clean, gap-check, and replace-as-needed your refrigerator door gaskets

Use some Simple Green to wipe down the door gaskets and their mating surface on the refrigerator cabinet. Check for gaps, tears, or sags all the way around the perimeter of the door where the gasket meets the cabinet. If you see any gaps or damage to the gaskets, it's time to replace 'em. RepairClinic carries a complete line of replacement gaskets for all brands and models of refrigerators, all with a one year guarantee.

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3. If your refrigerator has a digital display, make sure it's plugged into a surge suppressor

A digital display on a refrigerator (or any appliance) is a sure sign that it has at least one electronic control board in it. These electronic boards are just like the electronic boards used in your computer and they are subject to the same vulnerabilities as your computer. And, just like you would always use a surge suppressor to protect your computer from voltage spikes and other junk coming in on the power lines, you need to do the same thing with your home appliances that use electronic boards, which include almost all appliances manufactured within the last few years.

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4. Replace your refrigerator water filter

This will both protect you from gookus in the water as well as prevent flow and pressure problems with your dispenser or ice maker. We carry a complete line of refrigerator water filters for all brands and models all at great prices and conveniently delivered to right to your home.

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5. Beat the stink!

With warmer temperatures come more odors. Use this inexpensive refrigerator deodorizer to gobble up odors in your refrigerator and keep it smelling clean and fresh.

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To learn more about your refrigerator or to order parts, click here.

How the drain solenoid used in older GE dishwashers works and why it can make a buzzing noise

Posted by Samurai Appliance Repair Man, in Dishwasher Repair 25 March 2013 · 883 views
GE, dishwasher, drain, solenoid and 3 more...

When the electromagnet pulls the plunger down, it doesn't close the drain flapper all the way, (only about 3/4 of the way closed), then the water pressure hits the flapper and holds it sealed against the spray arm outlet so the water goes out the drain.

When the water pressure hits the drain flapper and opens it the rest of the way it takes the load off the solenoid. The solenoid is only energized for about 30 seconds and if it finishes draining before the the timer turns off power to the drain solenoid then the return springs will pull pressure against the magnetic force of the solenoid and can cause the buzzing noise.

Replacement drain solenoid kit

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To learn more about your dishwasher or to order parts, click here.

Source: GE dishwasher buzzing drain solenoid

Newer-model Whirlpool side-by-side refrigerator freezing food on the top shelf

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 24 March 2013 · 1,256 views
Whirlpool, refrigerator, freezing and 1 more...

I just wanted to share a part number I recently received from Whirlpool after much arguing and tons of recalls for this issue. I work in Northern VA area, and we have ran a lot of builder calls around here with the top shelf freezing on the SXS for the last 2 years. Whirlpool made us change sensors, pcb, dampers, blame the customer for blocking the back shelves, applying permgum inside damper area, etc. There haven't been many techs on our team that have run into this as much as the few of us stuck running new home calls. I found out they made a new damper design to fix this issue, but did not have a part# for a long time. I was to the point of telling the customer not to call us back for this issue and contact their builder and Whirlpool, so they could get this new damper. Well the part# for this new damper is W10572852. I hope this helps anyone that may run into this issue. I do not have specific model numbers, but it has mainly been the SXS manufactured in the last couple years with the ice makers located on the freezer door.

Whirlpool Service Pointer issued for this problem.

Replacement damper assembly.

To learn more about your washer or to order parts, click here.

Source: Newer Whirlpool SXS freezing on the top shelf

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