Question about Sharp R-1490 Microwave Oven

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Sharp microwave R1940

The door on the microwave doesn't latch. The hooks on the door do move up and down but doesn't catch when I try to close the door. Any suggestions?

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  • Sharp Master
  • 9,098 Answers

The latch head (the assembly with the hook-like parts sticking out) also has a spring which secures it to the inner door panel. The inner door panel or latch head has a broken spring mount. To repair this, the door panels will have to be separated. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find a helpful exploded view diagram of this model at http://www3.sears.com You can order parts for Sharp models from Tritronics at http://www.wehaveparts.com.

Posted on Apr 13, 2007

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Posted on Jan 02, 2017

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1 Answer

Sharp microwave R-520K/R-520L door wont stay closed how can I repair it


There is a tension spring pulling the door latch assembly in a downward direction, keeping the door latch closed against the door switches and latch.
Spares required will be either a spring or a latch assembly both fitted inside the door. To get to them the plastic choke cover around the perrimitter of the inside of the door must be removed to reveal fixing screws.
eSpares Spare Parts Accessories for Electrical Appliances eSpares

Oct 31, 2017 | Microwave Ovens

1 Answer

Door doesn't latch


Can you move the latch in the door? This is spring loaded, maybe the spring is broken

Mar 09, 2013 | Maytag MMV1153A Microwave Oven

1 Answer

Hello My name is Mohamed. I have a sharp microwave oven model R-316FSU, I am having trouble opening the door. The latch seems to stick. How can I fix it?


Door catches.

One of the latches may be damaged or misaligned and is not lifting the other latch clear of the housing. Remove from any power source, remove the cover of the cabinet. Slacken off the clamp mechanism and ease the clamp over the guide to allow the door to open. When the door levers are in place, the door may be easily adjusted by slackening off the screws that clamp the door catch/actuators in place whilst holding the door closed and then tightening the screws. The rear of the door may be adjusted by slackening the lower door hinge screws and adjusting as required.
I hope that helps.

Mar 21, 2011 | Sharp R-316FS Microwave Oven

1 Answer

Door will not latch


Door catches.

One of the latches may have broken off and is not lifting the other latch clear of the housing. Remove from any power source, remove the cover of the cabinet. Slacken off the clamp mechanism and ease the clamp over the guide to allow the door to open. When a new door lever is in place, the door may be easily adjusted by slackening off the screws that clamp the door catch/actuators in place whilst holding the door closed and then tightening the screws. The rear of the door may be adjusted by slackening the lower door hinge screws and adjusting as required.
I hope that helps.

Feb 12, 2011 | Sharp R-55TS Microwave Oven

1 Answer

The door latches wont latch


Door catches.

One of the latches has broken off and is not lifting the dother latch clear of the housing. Remove from any power source, remove the cover of the cabinet. Slacken off the clamp mechanism and ease the clamp over the guide to allow the door to open. When a new door lever is in place, the door may be easily adjusted by slackening off the screws that clamp the door catch/actuators in place whilst holding the door closed and then tightening the screws. The rear of the door may be adjusted by slackening the lower door hinge screws and adjusting as required.
I hope that helps.

Jan 03, 2011 | Sharp R-1480 Microwave Oven

1 Answer

How to install latch and spring in microwave door


You need to know where the 'catches' are inside the choke cover on the door to remove it carefully without breaking anything or marring the cover. You might get inside and find that the post for mounting the return spring has broken and that is part of the outer door panel.

Sep 11, 2009 | Sharp R-1610 Microwave Oven

1 Answer

Door catch is broken. Can latch be replaced or door replaced?


The complete door is no longer available, but you can get the right door hook (part # PHOK-A079WRF0 - note zeros vs. ohs) from Encompass here or you can call them toll-free at 866-779-5835.

You have to separate the door panels (as shown in the attached photo) and then you'll see the previously hidden screws you need to remove.

Or you can watch a YouTube video (not a video I made) that demonstrates how it's done.

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

4c9c250.jpg


Jun 02, 2009 | Sharp R-9H84B Microwave Oven

1 Answer

Spacemaker II door latch problem


Most microwave ovens have catches that are shaped like hooks, these hooks catch on a fixed bolt or a raise in the frame of the oven.

The next time you get the oven open check these hooks to see if the springs are working in a strong positive manner, or if you have to push a button on the model check to see that the button releases the hooks.

Hope this helps.

Feb 16, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

2 Answers

Microwave door does not latch; oven does not work


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.

If you gently push up on the door latch heads (hook-like devices sticking out of the door) there should be spring tension. If they just flop right up, the spring is off inside.


Normally the problem is not the spring, but a broken spring mounting tab on the door latch head (hook) assembly or the inner door panel.

If it's the door panel, it's usually easier and cheaper to use epoxy and some kind of hardware to fashion a new spring mount.

The door latch head (hook) is easy to replace or repair if that's the issue.

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

Or you can watch a YouTube video (not a video I made) here that demonstrates how it's done.

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

f61adab.jpg

Dec 22, 2008 | Sharp R-1405 / R-140 Microwave Oven

2 Answers

The closed door doesn't always hit the limit switches


I strongly suggest that you do not attempt to adjust the hinges.

The door switch mounts are either cracked or need to be adjusted.

Door switch mount trouble is usually caused by slamming the door.

This may be a little more info that you need and it's from a Sharp service manual, but the general principles apply:

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 Figure C-3. Latch Switch Adjustments hook, pushing and pulling upper portion of 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.

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

Dec 05, 2008 | Emerson MW8102SS 1100 Watts Microwave Oven

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