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Posted on May 30, 2011
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Dear all, I have a micro-wave whirlpool VT255/wh. My mother complains about non regular noise when she starts oven . During my tests, the oven start several times without any problem. After a while, it has made a noise as if you switch wavepower on-off-on-... up to it stop itself after few seconds and before the setting time. Some test more and I get now always the message "door" on display and it's impossible to start. I've check the door switches which seems to be OK. What do you think about? Many thanks in advance, Richard

  • richard_beme Jun 06, 2011

    Hello,
    Many thanks for the answer but it does't help me. The websites links to get information do not match my need or are not accessible (as service matters.com). I've performed a lot of tests and it seems to be another problem than simply the door switches. The switches has been controlled on several positions and found OK. What is strange is that I can reproduce and stop the problem by following a "flow chart". If I disconect oven from line and that I reconnect after 1 minute, the message "door" appears when I try to start a program. I try several time to start program and same problem. I open/close the door and the problem disappear. I can now open the door and restart program as much as I wish. If I disconect once more oven fromline for 1 minute, the problem appear another time and I have to open the door to make it disappear. If I follow this procedure, the answer is always the same.
    I've also tried another procedure. when I get the "door" message, I don't open the door directly but I disconect first oven from line. If I open the door when disconected from line, the problem still appear when the supply is reconnected and that I try to start a program. I can also repaet this procedure a lot of time with the same reaction.

    I think it's maybe something wrong in the electronic but I'm not a specialist in Micro-Wave.

    What do you think about?

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1 Answer

Muzahura Frank

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  • Master 2,071 Answers
  • Posted on May 30, 2011
Muzahura Frank
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One of Fixya experts has posted a possible solution, below.
" This is usually caused by either a bad door switch, a loose door switch mount (which are pretty simple problems to fix) or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

If you only need a switch, you can order a universal type here for $5 postpaid.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases in about a week or so with a one-year guarantee.

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

Hope that helps.

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