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Samurai Appliance Repair Man's Blog

LG WM2277H washer takes longer to complete cycle than is displayed

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 13 April 2011 · 1,393 views

<<<THE WASHER continously spins 57 min on display actual time to finish cycle 1hr 20 min. Takes longer then it should to finish what should I look for as the cause>>>


The CYCLE RUN TIME displays "57" minutes but the actual duration of the cycle is 1 hour 20 minutes?

Caused by incorrect type of detergent (non-HE) or too much of the correct detergent (HE type).

The correct amount of HE detergent to be used (disregard the detergent instructions *entirely*).

HE : (2) Tablespoons Per Wash

HE 2X: (1) Tablespoon

HE 3X: (1) Teaspoon

Tell your customer that LG /Samsung / Electrolux are paddling a canoe up-river trying to get the message out that the detergent instructions are erroneous---by a mile.

Using too much "HE" detergent (or any amount of non-HE) will cause the software/computer to enter SUDS KILL/REMOVAL MODE.

Most customers will only know of this when they see the TIME REMAINING at say---34 minutes.

Then they leave the laundry room to get the mail / briefly chat with the neighbor / pour a cup of coffee and re-enter the laundry room---and see that the TIME REMAINING still shows 34 minutes remaining.

This occurs when the SUDS KILL MODE has been activated due to suds detected in the wash cycle during the RINSE portion of the cycle.

Eventually the SUDS KILL MODE defaults and the TIME REMAINING display resumes counting down again.

Add TIDE WASHING MACHINE CLEANER to the washer (no laundry) and run a TUB CLEAN CYCLE. This will remove SOAP SCUM/CURD from the tub. This should be done at least every 4 months to also keep MUSTY ODOR from occurring as well.
Similar to adopting a new religion---use the CORRECT amount of HE detergent---religiously.


<<<also threw a code UE which means out of balence>>>


The SERIAL NUMBER would help with this.

Older WM2277 washers used a BALL SENSOR. This sensor was prone to triggering an IMBALANCED LOAD ERROR (UE) with a hair-trigger sensitivity. Especially on WOOD FLOORING.

If this washer is one the newer WM2277 models---add a single towel to the tub. Close door. Press POWER button. Press SPIN SPEED button to select fastest spin speed setting. Press START button.
Wait until 9 minutes remaining is displayed (tub begins higher RPM spin speed).
Place fingers at the edge of both front leveling legs/feet and feel which of the legs/feet is beginning to lift off the floor (up & down motion).
Use the WRENCHETTE provided with all LG washers to adjust the appropriate leg until up/down motion/noise is minimized/stopped.
Lock the leveling legs to prevent them from becoming misadjusted later.

You can buy parts for your LG washer here.

Source: LG WM2277H washer takes longer to complete cycle than is displayed

Troubleshooting a Dacor PCD / PCS double oven with an F1 error code

Posted by Samurai Appliance Repair Man, in Oven-Range-Stove Repair 13 April 2011 · 2,238 views

F1 Alarm “System Watchdog Circuit”
ERC Self-Diagnostic circuitry has detected a failure in the bake/broil system.
Any portion of the ERC, relay board, touch pad, heating elements and related wiring may be at fault.

How to diagnose/repair potential cause:
Step 1: Disconnect membrane from ERC.
If an F1 alarm is not activated within 30 seconds, check membrane function test points with an OHM meter.
(refer to page 20 of the Diagnostic Test Manual)
If the membrane test switch fails, replace membrane.
If membrane test is good, continue to step 2.

Step 2: At ERC check for 24 VDC between J2 pins 1 and 3 for upper/single ovens or J5 pins 7 and 10 for lower ovens
(when lower oven is not in a cooking/clean mode)
**Note: F1 must be showing in the ERC/Clock Display.
If you read 24 VDC at those test points, replace ERC

The following Dacor PCS/PCD manuals are available to Apprentices upon request:

DACOR PCS PCD Diagnostic_Manual.pdf
DACOR PCS PCD Fault Codes.pdf
DACOR PCS PCD Light-Latch Service Bulletin.pdf
DACOR PCS PCD PARTS 5995436283.pdf
DACOR PCS PCD Service Bulletins ECS_FSB.pdf
DACOR PCS PCD Wiring Diagrams.pdf
DACOR Wall Ovens Quick Tests.pdf

Find and order Dacor oven parts here.

Source: PCD 230R Dacor double oven F-1 code

What you just said...

Posted by Samurai Appliance Repair Man, in Humor 12 April 2011 · 502 views

... and may God have mercy on your soul.

Putting a Samsung refrigerator into forced defrost mode

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 11 April 2011 · 7,349 views

If you're troubleshooting a defrosting problem with your Samsung refrigerator, one of the first things you'll want to do is manually put it into defrost mode so you can use your meter and see if the control board is sending 120vac to the defrost heater. Here's the procedure that'll work for most current Samsung refrigerator models:

Posted Image
(click for larger view)

Troubleshooting a Maytag Bravo electric dryer with no heat

Posted by Samurai Appliance Repair Man, in Dryer Repair 11 April 2011 · 1,767 views

When troubleshooting electrical problems with appliance, like no-heat complaints in dryers, you absotootly gotta have the wiring diagram / tech sheet that comes packaged with the appliance. The manufacturers cleverly hide these inside the appliance to keep owners from finding them and losing them. I love when I go out on a job and need the tech sheet but it's been removed from the appliance. The customer then informs that they took it and filed it so it wouldn't "get lost" but they can't find it. Folks, that's a show-stopper. You cannot troubleshoot electrical problems, except for the most simple and obvious ones, without the tech sheet. Just ain't gonna happen.

Strip charts are nice because they focus only on the circuit and components involved with the specific complaint; in this case, no heat. Let's take a look at the heater strip chart on this beast:

Posted Image

I've highlighted the key components in the hearing circuit that should be checked. You can start with resistance checks if you like. Note the thermistor resistances are given.

But being as how I am an experienced appliance warrior, I like to do live tests with the voltage on the circuit.

This is especially easy in this case. Just disconnect the two common wires from both heater relays (violet and red wires), secure the wires so they don't touch anything and then run the dryer on a heat cycle. In a properly functioning hearing circuit, you'll have 120vas at both the NO (black) and the violet and red wires that were disconnected from the heater relay. Whichever side is missing the 120vac is the problem side.

Can also disconnect the common wire from the heating element, secure it, and run the dryer. See with side of the heating element circuit isn't giving you 120vac: either the control side or the motor side. Whichever is missing the 120vac is the side with the problem.

Source: Maytag Bravo MED6400TB0 electric dryer no heating

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