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Door hard to open & close

Excessive effort needed to open the door

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2 Answers

NN-ST671S microwave is locked and wont function Is their a childproof lock on it and how do you unlock it


There should not be a childproof lock on your microwave.
However, it is remotely possible that there is electrical failure preventing the door opening.
Most, not all, microwaves can be taken apart with screws with the door closed.
See if you can do yours.
You should find the latch holding the door is broken or stuck or whatever.
God bless your efforts.

Nov 13, 2017 | Microwave Ovens

1 Answer

Help fixing a kitchenaid microwave oven/hood combo door handle


The door handles on most appliances, like outside cars & truck handles, are secured with screws from inside the door.
You will need to take the door completely apart to tighten the screws. This may be a very hard job, as it needs to be reassembled as well. God bless your efforts.

Oct 24, 2016 | KitchenAid Microwave Ovens

1 Answer

Bosch microwave door sags. It's difficult to open, close or start. Can it be adjusted?HMB5050/01 Photo is of right lower corner of door showing the misalignment


Any microwave with a mis-aligned or loose door is probably leaking excessive microwave energy, and should not be operated unless a leak test is conducted using a calibrated meter.
Unless you own such a meter, the oven should be inspected and repaired by a qualified technician.

Jul 26, 2016 | Bosch Microwave Ovens

1 Answer

Wmh1162xvs-2 trips breaker on operating door


Most likely bad interlock switch(es). These switches operate as the door opens & closes. One or more need to be replaced - OR - the switches are OK & the door latch isn't causing them to be activated.

Aug 21, 2014 | Microwave Ovens

1 Answer

Kenmore quick touck microwave, door latch hard to open & shut


If your want to start the easy path, get a Q-tip and some light weight grease and lightly grease the door-switch levers inside the door latch holes and see if that solves your problem. If not, then you will have to remove the cover, and likely you will find the door switch assembly and it's metal mounting support are bent on something of an angle - the switch assembly should be at 90 degrees to the front of the microwave oven so that he door latch fingers can slip in and activate the control switches easily all at the same time - straighten the switch frame which may require you to remove the switch bank temporarily. The little bit of grease still doesn't hurt to do it.
Reassemble.

May 11, 2014 | Microwave Ovens

1 Answer

Just quit working


I assume there is no display at all. First make sure there is power to the microwave. Next would be the fuse INSIDE the control section. It needs a 15 Amp slow blow fuse. If that is the problem and you replace it (first disconnect oven!) and the oven works Ok that sould have taken car of your problem. However to do a little test you could, after having replaced the fuse, open and close the door several times. If it blows the fuse again that means that there is a problem with the door switch sequence. I don't know if you want to go this far, but there is one "normally closed" switch that, when closing the door, needs to open before the "normally open" switches make contact. Conversely when opening the door the "NO" switches need to open before the "NC" switch makes.

May 08, 2011 | Microwave Ovens

2 Answers

Our panasonic inverter microwave (3 years old) needs repeated hard slams to shut the door so that the light goes off and the microwave will work. How do we fix this problem as I'm afraid we are going to...


We have a Panasonic Inverter microwave. Door became difficult to close and had to slam it hard while holding themicrowave to keep it from moving. When opening the door did not pop open but did unlatch. I ordered a new door lever from Panasonic. When got part I removed case from microwave and lever was okay. I then removed the perimeter strip on the inside of the door. With a screwdriver I stretched the spring at the bottom that keeps the door latches pulled downward. Spring still worked just not as stiff. Put perimeter piece back on the door and replaced housing (which I didn't need to remove in the first place), and then put a small drop of vegetable oil on the cams where the door latches hit when closing door. Viola, door opens and closed as new. Problem solved. Diagnosis: over time the latch tension spring hardens and gets too stiff. P.S.: I had several similar springs as backup in case I screwed up the original one.

Jan 16, 2011 | Panasonic NN-SN657SMicrowave Oven

1 Answer

PUSH A BUTTON & PRAY


This is usually caused by either a bad door switch or a loose door switch mount, which are pretty simple problems to fix.

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.

See these files:
http://www.microwavedisplay.com/safety.txt

http://www.microwavedisplay.com/disassembly.txt

http://www.microwavedisplay.com/doorsw.txt

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 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.

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

Jun 06, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

Do you test your commercial microwaves for leakage? What standards do you comply with as far as allowable leakage?


As per a similar manual:

1. Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed 1mW/cm2 at any point 5cm or more from the external surface of the oven, measured prior to acquisition by a purchaser, and thereafter (through the useful life of the oven), 5 mW/cm2 at any point 5cm or more from the external surface of the oven.

2. Safety interlock switches: Primary interlock relay and door sensing switch shall prevent microwave radiation emission in excess of the requirement as above mentioned, secondary interlock switch shall prevent microwave radiation emission in excess of 5 mW/cm2 at any point 5cm or more from
the external surface of the oven.

You need to be sure that if the meter comes with a styrofoam cone tip, that should be installed or it will give high readings.

Also, the meter should be calibrated periodically, typically annually.

If the meter gets dropped or bumped, that may throw it out of alignment.

The most common causes of excessive leakage are loose or misaligned door switch mounts or hinges and physical damage to the chassis of the oven.

The most common cause of the misalignment of door switch mounts is slamming the door.

I would be sure my meter is set up and calibrated, then I would be sure my door switch mounts are aligned & tightened properly.

From a similar manual:

1. Disconnect the power supply cord, and then remove outer case.

2. Open the door and block it open.

3. Discharge high voltage capacitor. If the door sensing switch, secondary interlock switch and monitor switch do not operate properly due to a misadjustment, the following adjustment should be made.

4. Loosen the two (2) screws holding latch hook to the oven cavity front flange.

5. With door closed, adjust latch hook by moving it back and forth, and up and down. In and out play of the door allowed by the upper and lower position of the latch hook should be less than 0.5mm. The vertical position of the latch hook should be adjusted so that the door sensing switch and secondary interlock switch are activated with the door closed. The horizontal position of the latch hook should be adjusted so that the plunger of the monitor switch is pressed with the door closed.

6. Secure the screws with washers firmly.

7. Check the operation of all switches. If each switch has not activated with the door closed, loosen screw and adjust the latch hook position.

After adjustment, check the following.

1. In and out play of door remains less than 0.5mm when in the
latched position. First check upper position of latch hook, pushing and pulling upper portion of door toward the oven face. Then check lower portion of the latch hook, pushing and pulling lower portion of the door toward the oven face. Both results (play in the door) should be less than 0.5mm.

2. The door sensing switch and secondary interlock switch interrupt the circuit before the door can be opened.

3. Monitor switch contacts close when door is opened.

4. Re-install outer case and check for microwave leakage around
door with an approved microwave survey meter. (Refer to Microwave Measurement Procedure.)

Please write back with more details if you need further help.

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

Aug 12, 2008 | Sharp Microwave Ovens

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