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How do you unlock a lg microwave model number LMVM2055st I've had it for about 7 years now it's showing me : thanks

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: LG Microwave LMVM2055ST Just stopped working!

We have the service manual for this model and have uploaded it to our site here to help you.

You will need the
free Acrobat Reader to view or print it in case you don't have it.

It may be the fuse, which is usually located behind the grille or on the floor of the oven behind the control panel or between the door switches.


If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

If the cavity thermostat needs to be checked or replaced you'll need to pull the oven from the wall.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

To order Goldstar / L.G. parts, visit Vance Baldwin Electronics. You'll probably have to call them.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Dec 13, 2008

EwingElect
  • 276 Answers

SOURCE: bulb for lmvm2055st lg microwave

Can't help with part number as it's not an Australian Model, but refer to http://us.lgservice.com/index_b2c.jsp to help you find a service location!

Posted on Mar 19, 2009

  • 97 Answers

SOURCE: manual missing in box

Found manual download through LG go to http://www.lge.com/us/support/product/support-product-profile.jsp?customerModelCode=LMVM2055ST&initialTab=documents (this is a link to download...will need adobe).

Posted on Jun 08, 2009

  • 2 Answers

SOURCE: LG Microwave oven LMVM2055ST

Same issue here. LMVM1935 about 2 months past warranty keypad stopped working. Apparently they need to add something in the manual about not boiling water on the range over which the microwave is installed (gee who would have thought that there would be steam over the cooktop and we should seal the membrane?).

The silver traces on the keypad got corroded and no longer conduct. After complaining to Sears (NO HELP) and LG (EVEN MORE INEPT) and running on 30sec button for about 6 months, I found a replacement keypad $30 w/ shipping and didn't break anything taking the door apart, thanks to the parts list link above. Thanks Rickzilla!

Life's Good, Their Keypad SUCKS, or apparently we are the only people that boil water anymore.

Posted on Jul 27, 2009

  • 37 Answers

SOURCE: Our microwave is not working. As near as we can

yes, it's easy.

unplug it.

open the case.

trace the power cord from the plug end. you should encounter an in-line fuse (like an old-style auto fuse)

just go to the hardware store and get the same type fuse. it will look like a small white cylinder, about the size of tic-tac (but a little longer) with metal ends.

Posted on Oct 21, 2009

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The silver traces on the keypad got corroded and no longer conduct. After complaining to Sears (NO HELP) and LG (EVEN MORE INEPT) and running on 30sec button for about 6 months, I found a replacement keypad $30 w/ shipping and didn't break anything taking the door apart, thanks to the parts list link above. Thanks Rickzilla!

Life's Good, Their Keypad SUCKS, or apparently we are the only people that boil water anymore.

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