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Samurai Appliance Repair Man's Blog


How to fix an LG-Kenmore refrigerator where the light in the beer compartment stays on and melts

Posted by Samurai Appliance Repair Man , in Refrigerator Repair 09 September 2011 · 2,879 views

Masters john63 and Reg reveal a stealth recall campaign for this problem:

---an undocumented Service Campaign.
Some LG servicers are not aware of this as well.

some info for some models
CPSC, LG Electronics and Sears, Roebuck and Co. Announce Recall to Repair Refrigerators
(at least in) Canada: (maybe also USA)
"LG has committed to giving a lifetime warranty with regard to the light bulb defect
to the owners of affected LG and Kenmore refrigerators at no charge to the customer.
The warranty includes performing the necessary in-house repairs and possibly replacing the refrigerator in cases where
the plastic liner has warped to the point of being irreparable due to the increased heat generated by the light bulb."

Source: 795.77569600 Sears by LG FF lites won't go out!


All about those elusive shipping bolts that come with LG front loading washers

Posted by Samurai Appliance Repair Man , in Washing Machine Repair 08 September 2011 · 2,397 views

Master Reg explains the in's and out's of shipping bolts used with LG washing machines:

... the washer was transported without any bolts to secure the tub...

from the WM2487HWM Owners Manual:
The appliance is fitted with shipping bolts to prevent internal damage during transportation.
Packing and all shipping bolts must be removed before using the washer.
Take out the 4 bolts and braces by twisting the braces slightly.
Keep the 4 bolts, braces and the wrench for future use.
• Whenever the appliance is transported, the shipping bolts and braces must be reinstalled.
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Source: LG WM2487HWM won't complete final spin gives UE error


How to troubleshoot a Samsung dishwasher with an HE error code

Posted by Samurai Appliance Repair Man , in Dishwasher Repair 08 September 2011 · 7,321 views

Master john63 enlightens us:


Disconnect power & remove the dishwasher from under the counter.

The HEATER RELAY is located on the right side of the D/W. A metal panel/shield (on the right side) must be removed to gain access for testing.

Testing the HEATING ELEMENT *can* be done from the bottom/front---but is easier if the D/W is placed on it's back---and removing the bottom cover/panel.

In many cases I have seen failed HEATING ELEMENTS or RELAYS on Samsung D/Ws---in homes which had an INSTANT WATER HEATER (AKA: Tankless Water Heater).
This type of Water Heater requires a minimum GALLON-PER-MINUTE of water flow---before it will *heat* the water.
Many dishwashers have a lower GPM flow rate than required---this results in NO HOT WATER at all during water fill.
The D/W heating sytem remains "on" for long periods of time---each time the D/W is used.
Eventually the HEATING ELEMENT or HEATER RELAY fails.

Part link for the heating element ==> Heating Element

Source: Samsung dishwasher DMR78AHS -- HE is displayed


How to remove the oven light switch, door latch assembly, and hi-temp cutout on a Thermador CM302US oven

Posted by Samurai Appliance Repair Man , in Oven-Range-Stove Repair 06 September 2011 · 1,785 views

Master Reg illumines us:

from page 35 of the C302 service manual


Turn off the electrical power circuit to the oven at the main junction box before servicing this unit.

When you work on the oven, be careful when handling the sheet metal parts.
There are sharp edges present and you can cut yourself if you are not careful.

Refer to Figure 19 on the next page for the following steps.
1. Turn off the electrical power to the oven.
2. Open the oven door for the component you wish to remove.
3. To remove the upper air vent grille, remove the four bottom screws and the two front oven door latch screws.
4. To remove the lower air vent grille, remove the two front oven door latch screws, (see Figure 18),
then pull the posts on the ends of the air vent grille out of the catches in the chassis.
5. To remove the oven light switch, disconnect the wires from the terminals, press in on the locking arms,
and push the switch out of the vent (see inset 1).

6. To remove the oven door latch assembly (see inset 2):
a- Use a 1/4" ratchet and a 1/4" thin-wall socket and remove the two front hexhead screws from the latch bracket.
b- Pull the latch assembly to the right so that the flange on the left side clears the bracket,
and then pull it forward as far as the wires will allow.
c- Remove the wires from the switch connectors and the motor wires from the main harness.
d- To replace a door lock or door unlock switch on the latch assembly,
remove the two screws from the switch body, and remove the switch.



How to test the touchpanel keyswitch contacts in a Maytag MDB dishwasher

Posted by Samurai Appliance Repair Man , in Dishwasher Repair 04 September 2011 · 1,609 views

Master Reg lays out the drill:

Checking keyswitch contacts:

Unplug dishwasher or disconnect power.
Remove connector P1 from the control board.
Using the table below,
measure the resistance across the switch when the key is pressed.
NOTE: The meter must be connected with the proper polarity.
This test will not work on models with a “touch sensor” type user interface.
The resistance reading should go from infinity (open circuit) with the key open
down to a readable Ω level with the key pressed.
The level may be different depending on your meter, since there is a diode in the circuit.
If available, you could use the “Diode Test” function of a digital meter,
which will give a voltage to turn on the diode in the circuit.
➔If any switches fail this test, replace the console panel/keypad assembly.
➔If all switches test OK, replace the machine control board.

KeyPad assembly
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Part links:

W10240046 Black
W10240047 White
W10240048 Biscuit

Source: Maytag mdb6709aws0 dishwasher inop.

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