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Samurai Appliance Repair Man's Blog



Programming Instructions for the HV Control Board used in some Whirlpool-built Bottom Mount Refrigerators

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 06 February 2014 · 1,046 views
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Some models of Whirlpool-built bottom mount refrigerators use a high-voltage control board that, at some point, you may need to replace. These boards are used in certain models of Whirlpool, Maytag, and Kenmore-branded bottom mount refrigerators.

Here's what the HV board looks like: Part number: AP4568436

Part number: AP4568436


When you replace this HV control board, you will need to program it to work in your particular model. If you don't program the new HV board, you'll get the error code PEO 000 in the display.

The new control Board may or may not come with programming instructions. In case your replacement board does not, here are the programming instructions you'll need to get things running.

Programming Mode:

NOTE: The Program Code is located on the Serial Plate on this unit after the word "Code."

1. Press and hold the Door Alarm Keypad .

2. Press and hold Freezer Temperature Down Keypad within 3 seconds .

3. Release the Door Alarm Keypad and wait 3 seconds.

4. The control will display PE to indicate the programming mode.

5. Entry is confirmed by pressing the Freezer Temperature Down Keypad once more.

6. The control will display the current Program CODE. This value should be validated with the Program CODE printed on the unit serial plate. NOTE: If the Program CODE is correct, the Programming Mode is exited by pressing Door Alarm Keypad for 3 seconds.

7. Press the Refrigerator Temperature Up Keypad or Refrigerator Down Keypad to change the digit value with each key press.

8. The decimal point indicates the selected digit. Press the Freezer Temperature Up Keypad to select the next digit.

9. Once the desired Program CODE is entered, press and hold the Freezer Temperature Down Keypad until the Program CODE begins flashing indicating it has been saved. NOTE: If you attempt to enter an invalid Program CODE the control will not save the new code, but will beep. (The unit will NOT run with a Program CODE of 0000).

Once the Program CODE has been saved the Programming Mode is exited by pressing any key. If the new code is incorrect this process should be repeated. The Programming mode can be exited at any time by pressing Door Alarm key for 3 seconds or will exit if unattended for four minutes.


Rare Footage of the Elusive Wild New Hampshire Snow Kitty

Posted by Samurai Appliance Repair Man, in Samurai Incarnate, Humor 05 February 2014 · 1,018 views
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Enjoy this rare footage of the elusive wild New Hampshire Snow Kitty, long thought to be extinct.




What causes SUDs and SD error codes in high-efficiency front-load and top-load washers?

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 01 February 2014 · 699 views
HE, SUD, SD, error codes and 2 more...
Many important questions have plagued mankind since the dawn of time. Questions such as, "Why am I here?", "Who is God?", and, most importantly, "What causes SUDs and SD error codes in high-efficiency front-load and top-load washers?" Here now to guide us into the truth and understanding of this important epistemological question is Brother Delawaredrew:

Suds errors are often detergent related. It's not so much that the pump doesn't pump suds (although it doesn't) but that the pressure switch can't tell the difference between suds and liquid. So the computer doesn't see an empty tub.

An easy explanation of when computers generate a suds error is that the program has a set time allowed for the drain part of the cycle. For instance many whirlpool front loaders allow 4 minutes. After that time if the cpu has not seen a change in the pressure switch reading the SD or Suds or whatever error is displayed (this is why clogged or bad pumps show Suds) ... some machines will have some sort of suds killing routine that is initiated and some will just stop. If the CPU still doesn't see a change in water level after continued pumping you usually see a long drain code like LD or F01 or F21.

When I see repeat drain errors I first try to tell if it actually is draining at a good rate... if so I will check the pressure hose for clogs by first blowing into it at the switch end. If that is okay test the switch itself (if no fill errors are happening this is less likely) then the wiring. On models with integrated pressure sensors obviously you can skip testing the switch.

About the Cabrio/Bravos/Oasis models - lint, socks and other items sometimes gather at the sump cover and block the pump intake. Also coins and other items can damage the plastic impellors of the pump; decreasing pump rates yet still moving water.

I only get about 30 minutes per call so I have a pretty set method of diagnosis for problems to eliminate common issues. It works for me but we all think differently. In general I go for simplest solution first unless I know that a certain component is likely; like the analog pressure switches and F35 error.

Hope that helps.



Source: Suds error sd


The Appliantology Academy's Appliance Tech Boot Camp, Coming This Spring

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Question: what's one job skill that cannot be outsourced to India or China?

Answer: home services.

Looking to get in on the glamour life of being a professional appliance repair technician but you don't have the time or the money to travel somewhere and be gone for a few weeks at a time? Now you can learn appliance repair at your own pace right online at your computer with the Appliantology Academy's Appliance Tech Boot Camp.

The Appliance Tech Boot Camp is a structured and guided online training program designed to quickly get you up to speed as a competent appliance repair tech with the basic skills needed to succeed and continue to grow in the trade.

Within the first few lessons, you will acquire the skills and knowledge you need to begin repairing appliances. Yours so very truly, Samurai Appliance Repair Man, will be your faithful guide and mentor through this training process.

The program is feverishly being developed at this very moment by Team Samurai. Look for more details in later posts.


"What should my refrigerator controls be set at?"

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 27 January 2014 · 910 views
refrigerator, controls and 2 more...
How many times have you been on a refrigerator service call and the customer asks you, "What should the controls on my refrigerator be set at?" You notice that they do not have any thermometers in their fridge and do a mental face-palm. How do you even begin to explain to this customer that the single most important indicator of a refrigerator's health - and the way you determine where to set the controls - are the temperatures inside the freezer and fresh food compartments?

Relax, compadre, cuz that's the whole point of this blog post: to help you explain to your customer the importance of temperature measurement in a refrigerator simply and clearly and to provide them the means by which to do it.

Begin by explaining to your customer that temperature is, in fact, the single most important number that tells the story about the health of that box. Further, home refrigerators are very sensitive to changes in conditions and usage: changes in ambient temperature throughout the seasons; frequency and duration of door openings; condition of the door gaskets and their ability to seal out warm, humid outside air; the temperature of foods placed inside the compartments; amount of pet fur on the condenser, etc.

Next, I explain to the customer that unless their refrigerator controls actually measure and display the temperatures inside the compartments, the indexing numbers provided on the controls are simply a way of noting the relative changes that they need to make to the control dials in order to achieve the target temperatures inside the compartments. And how are they going to know what those target temperatures are unless they are actually measuring the temperatures inside the compartments?

This is where refrigerator thermometers come into play. I buy these refrigerator thermometers by the dozen and stock them in The Guru Mobile: https://www.amazon.c...HKPEBS5M25BG72
I tell my customers that they should have one of these thermometers in each compartment of their refrigerator box: fresh food and freezer. Here's how I instruct them on using the thermometers and setting their refrigerator controls according to temperature measurements.

Fresh-food compartment:

For normal, day-to-day tracking of the temperature, place the thermometer in the central area of the compartment (not on the door). Ideally you want it to be easily visible whenever you open the door so that you can glance at the display regularly. Make it a habit to look at the thermometer at least once a day, perhaps in the morning the first time you open the door. The needle should be in the purple “REF.” section, approximately 33 to 40 degrees.

Be aware that opening the door of the fridge, particularly if the ambient conditions are warm and/or humid, can raise the temperature quite a bit in the compartment. If you notice that the temperature is above 40, and the door has been opened recently, leave the door closed for awhile then check the temperature again.

If the temperature is consistently above 40 by a few degrees, you should adjust the cold controls of your refrigerator to see if you can get it down into the 30’s. (See your fridge’s instruction manual for help on this - how to adjust the controls can vary among different brands and models.) Any adjustment to the controls can take several hours or overnight for the temperatures to settle to their new level.

Freezer:

Place the thermometer in a central location in your freezer and monitor the temperatures as described above.
Although frozen food is safe at any temperature below 32 degrees (the blue zone), a normally-operating freezer should be between 0 and 5 degrees. If you see temperatures consistently above that, try adjusting the freezer’s control to a colder setting.

If their temperatures remain above-normal despite adjusting the refrigerator’s controls, I instruct them to call me for service as soon as possible to avoid food spoilage and loss.






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