Question about Canon PowerShot A540 Digital Camera

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The lens cover won't open. Camera comes on fine, but lens cover won't open up. Looks like it's been bent or pushed out of track. Can it be fixed? Thanks, Steve

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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t00nz
  • 4738 Answers

SOURCE: My lens cover can't open and close completely.

Try this as a last resort. This blog post outlines repair procedures for a stuck lens covers. An A400 is used as an example. But for the A620, you might want to extend your zoom all the way out before removing the camera's batteries. Also you'll be applying the ring loosening rubbing alcohol along the barrel's perimeter instead of the front as shown in the procedures.:
http://camerarepair.blogspot.com/2007/11/repair-of-stuck-lens-covers.html
Good luck, and remember do this only as a very last resort. Oh, and please post how it went should you decide to try the repair.

Posted on Nov 24, 2007

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SOURCE: Lens cover only partially opens

There is a very very easy way to fix this problem..

This can happen if...
1.) If the battery dies when the camera lens is open (and you close it manually, or sometimes, even if you dont.)
2.) If you used a AC adapter with too much voltage or not enough. (this can happen even if you used the correct voltage, refrain from using AC adapters at all)
... all together its ethier a voltage or camera lens problem...

TIPS:
1.)NEVER PUSH THE LENS IN AFTER CAMERA DIES, BUY A NEW BATTERY IMMEDIATLY AND TURN IT BACK ON, CLOSING THE LENS!

2.)NEVER USE AN AC ADAPTER, USE A RECHARGEABLE BATTERY OR A REGULAR BATTERY!

..to fix this...

Do as i say..

1.) Remove battery
2.) Remove front plate (screw driver may be needed)
3.) Check all gears, make sure they are correctly fitted in place)
4.) Move the gear manually to make the lens come out.
5.) keep it out, put the front plate back together.
6.) reinsert the battery, turn it on.


or...
1.) Remove the battery.
2.) Wait about 6-8 hours.
3.) Reinsert the battery.

or...
1.) Remove the battery.
2.) Try hooking it up through AC adapter, put correct voltage.
3.) Try turning it on.
4.) Remove AC adapter, reinsert battery.
5.) Turn it on.



Hopefully all this information helped,

Posted on Jul 10, 2008

SOURCE: Automatic lens cover will not open.

please try resetting your camera to the factory settings..the procedure to reset is found in the instruction manual as well as in the cd that came along with your device. thank you for using fix ya

Posted on May 26, 2009

t00nz
  • 4738 Answers

SOURCE: lens cover won't fully open when camera is turned

This blog post outlines repair procedures for stuck lens covers. A couple of Canon cameras are given as examples. Hope it helps.

Posted on Jan 16, 2010

t00nz
  • 4738 Answers

SOURCE: The lens cover doesn't open fully Canon A630

Sure it is, and repair isn't that hard. See this link for tips on repair of sticky automatic lens covers. Recommend reading the reader's comments section of the link for additional tips. Especially pay attention to the vacuum cleaner tip.

Posted on Feb 08, 2010

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A bit of gentile persuasion may be necessary.
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I believe that the camera has lost track of where the lens is in it's range of travel.

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I recently had the lens cover stick partly open.  There are 4 segments to the lens cover, and if we number them from the top, number 2 was not closing.
I gently flicked the segments a few times, in case there was a grain of dirt causing it to stick (although the camera has never been in a dirty or dusty environment).  This caused the lens cover to close fully each time, but now it would not open fully, segment 1 would not open, although it would stay open if moved by finger.
Anyway, after a bit of fiddling, I got it working properly again.  The way that the lens cover appears to work is that only segments 2 and 3 are pushed open or shut by springs, segments 1 and 4 are pushed open and shut by tiny tabs that catch on segments 2 and 3.  If the segments somehow get pushed out of alignment, then they either bind (causing the cover not to shut), or they get disconnected (causing the cover not to open fully.
Now I am not sure exactly what I did to get the mechanism form the stuck open state to the not opening state, but from there the way to fix it is to:
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- Hold segment 2 in the closed position with firm finger pressure (which will tend to push it towards the lens).
- Push segment 1 towards the open position until you can see that it has cleared the edge of segment 2.
- Lift segment 2 way from the lens so that it will rub past segment 1 as you...
- Move segment 1 to the open position.
- Repeat if necessary to get the technique right.

I can't provide any guarantees, and I am not about to repeat the excercise on my camera, but it was a lot easier than sending it off for repair.

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