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LG washer giving a tE error code

Samurai Appliance Repair Man

Entry posted by Samurai Appliance Repair Man

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<<<I have a wm2487hwm giving me the "te" code. I examined the wiring. ohmed the thermistor out at 67.5kohms>>>

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The wash tub THERMISTOR should show 39.5 K ohms at 86 F.

I've never encountered a failed THERMISTOR on an LG washer.

A "tE" error is usually caused by a broken/failed wire at the plug which connects to the THERMISTOR at the front/bottom of the tub. This plug should be examined very carefully for a break in either the *white* or *blue* wires at the connector.

In some cases---the break in the wire will be *internal* and not visible.

It is necessary to perform a *continuity test* for both wires---from the plug/connector at the MAIN BOARD-to-the-plug/connector at the THERMISTOR. Have an assistant move/bend/flex the plug (at the Thermistor) to verify that the wiring is intact.

Test the HEATING ELEMENT next to the THERMISTOR---should show 12 to 18 ohms.

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<<<put the machine back together and now it's totally dead!>>>

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Verify that *all* of the plug/connectors behind the "jog dial" (Control Panel) have been re-connected (fully & competely until it locks).

NOTE: This washer is a *steam wash* model.

If an error "tE 2" is displayed---this would indicate that there's an issue with the THERMISTOR at the STEAM

GENERATOR (at the top of the tub assy).

Source: LG Front Load Washer TROMM

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David1

David1

Posted

Just want to add that every time I have encountered a TE error on an LG front-load washer, it has been a loose connection at the thermistor wire harness connector (about 3-4x), or water was leaking on the connector due to a torn door gasket (1x).

After completing your diagnostic measurements...

To correct a loose connection, I simply tilt the washer back so it rests securely against a wall and work from underneath without any disassembly, disconnect the thermistor connector in front of the bottom of the tub, bend the male end pins to one side so that they will make solid contact with the female end receptacle, reinsert, and test okay. 

If you have a TE error because of a leak from a torn door bellows it will usually correct itself when the water dries. This was my experience and another LG tech told me the same.

 

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