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Samurai Appliance Repair Man's Blog



Tips for troubleshooting a Samsung dishwasher with an HE (heating element) error

Posted by Samurai Appliance Repair Man, in Dishwasher Repair 23 January 2012 · 2,927 views

This problem could manifest as the dishwasher running nonstop and not entering the drying cycle. Academy Fellow john63 points us in the right direction:

Check the continuity of the HEATING ELEMENT with a test meter---if "open" replace the HEATING ELEMENT.

If "good"---it's very likely that the HEATER RELAY---located on the right side of the dishwasher at floor level---has failed.

During the DRY CYCLE---there should be 120 volts AC coming from the HEATER RELAY---to the element.

Most HEATING ELEMENT or HEATER RELAY failures occurred in homes that had a "Tankless/Instant Water Heater".

Other possibles are:

1) One of the DOOR SWITCHES FAILED
2) MAIN BOARD (very rare)


Part links:

Heating element ==> http://www.repaircli...Number=DMR78AHS

Heater relay ==> http://www.repaircli...1000260/2028620

Door latch ==> http://www.repaircli...400002B/1603323

Main circuit board ==> http://www.repaircli...Number=DMR78AHS



Source: Samsung DMR78AHS dishwasher runs nonstop and do not enters drying cycle


GE Top Control Dishwasher Recall and Installation Instructions for TCO Shield Kit

Posted by Samurai Appliance Repair Man, in Dishwasher Repair 02 January 2012 · 2,487 views

Here it be in case you need it. Courtesy of GMF Reginald:

GE Top Control Dishwasher Recall
and Installation Instructions for
TCO Shield Kit WD35X10354X
2010_Top_Control_Dishwasher_Recall.pdf

Dear GE Customer Care Servicers,
On October 26, 2010, GE announced a Product Safety Recall on a limited number of GE Profile and GE Monogram branded dishwasher models.
This voluntary recall is the result of the determination that water condensation can drip onto the electronic control board during
normal wash operation, causing a short circuit and resulting in an overheated connector.

To eliminate this risk, we will install a thermal cut-off with fiber shield over the control board.
If the dishwasher appears to be non-repairable, follow your normal process and call the Technical Assist Group at (502)452-4700.

Coverage Period: No end date
No charge for labor
No charge for TCO shield kit

GE will provide a free repair to all consumers with units affected by the recall.
Consumers who wish to replace their dishwasher with a new model can use a GE rebate of $200 for the
purchase of a new GE Profile dishwasher or a GE rebate of $400 for purchase of a new GE Monogram dishwasher.
Details and forms are on our website www.geappliances.com/recall or at our retailers.



Source: blown fuse twice in three days GE Monogram dishwasher ZBD6880K10SS



How to test the heating element in a Bosch SHE43C02UC dishwasher

Posted by Samurai Appliance Repair Man, in Dishwasher Repair 08 October 2011 · 2,895 views
Bosch, dishwasher, heater
Sublime Master KurtiusInterupptus waxes eloquently:

Wanna make damn sure before you try go expose that element...a real bitch to get at.

do you have an amp clamp? If so here is my method to test this ...
remove the door panel outer..
clamp amp clamp around red wire in the harness..
start a cycle, follow the red wire up to the controller and then take a small jumper wire and jump between the red and black wire in the back of that plug.
does the amp meter show a current of 8-10 amps? If so, the heater and high limit are good and prolly just a bad controller.


Part links:

Control Module

Heating Element

Heater voltage can be measured at the control module:

Posted Image

Source: Bosch Heater Element SHE43C02UC 43


How to fix a Samsung DMR57 or DMR78 dishwasher making a grinding noise and error code 9E

Posted by Samurai Appliance Repair Man, in Dishwasher Repair 05 October 2011 · 4,152 views
Samsung, dishwasher, 9E and 1 more...
Sublime Master john63 reveals the kata for this encounter:

<<<There is a grinding noise when first started up>>>


*************************

Many Samsung DMR57 & DMR78 dishwashers are known for developing a rattling/grinding noise during DRAIN MODE.

This is usually caused by a broken plastic mounting tab from the upper rack ADJUSTERS.

Each side of the upper rack has a tan/gray square RACK ADJUSTER---after a mounting tab (or 2) breaks off---this piece of plastic eventually ends up in the DRAIN PUMP HOUSING.

The DRAIN MOTOR should be removed to inspect for debris.

******************************

<<<after a minute or two I get 9e error code>>>

******************************

A normal amount of water in a DMR78 dishwasher would be---at about 1 inch past the HEATER SHIELD in the tub.

If you've tested the SWITCHES on the LOW LEVEL SENSOR---then they're not at fault.

Press the following buttons at the *same* time:

DELAY START--NORMAL--POWER(button)

The word "ALL" appears for 3 seconds followed by "t1"

(NOTE: Test #1 checks the functions of the INLET VALVE--FLOW METER--LOW LEVEL SENSOR)

Press the DELAY START button---the DRAIN MOTOR will run for 45 seconds. Then---water will enter the tub.

When the PULSE COUNT (on the display) reaches "660" or greater---press the NORMAL button four times.

A flashing "t5" will be displayed & water will drain for 30 seconds. After 30 seconds---the "t5" will stop flashing.

Press the NORMAL button again---"t6" will be displayed. The word "OFF" should appear in the control panel display---indicating that the LOW LEVEL SENSOR SWITCH is in the correct position for *No Water* in tub.

If the INLET VALVE--LOW LEVEL SENSOR--FLOW METER function normally----replace the MAIN BOARD.



Source: Samsung dmr78ahs dishwasher grinding noise and error code 9e






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