Question about Canon PowerShot SD500 / IXUS 700 Digital Camera
Lens will not open
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Posted on Jan 02, 2017
The E18 error is an error message on Canon digital cameras. The E18 error occurs when anything prevents the zoom lens from properly extending or retracting.
The error has become notorious in the Canon user community as it can
completely disable the camera, requiring expensive repairs.
A quick internet search for "E18" + "canon" quickly reveals hundreds of similar complaints.
ConsumerAffairs.com reports that the "lens has a feature called bellows claw, which is a gear that physically extends and retracts the lens. A piece that holds the lens, the barrier plate, is not large enough and can sometimes cause the bellows claw to malfunction, resulting in a stuck lens". The result is a black screen that only contains the error message, E18. Another problem mentioned on the site blames a sticky iris in the lens, caused by grease entering inside from the microphones built into the lens. The buildup freezes up the ability of the lens to open.
Posted on Nov 13, 2008
Lens errors (E18 errors on Canons) are fairly common. Usually it's sand or grit interfering with the lens extension mechanism. Or the camera's been dropped with the lens extended. Or the camera has been powered on, but the lens had been blocked preventing its extension. Or the battery ran down with the lens extended ...
Here's some things that you can do to try to correct it. They only seem to work for less than 50% of the lens errors, but if the camera is out of warranty, they're worth a try:
Posted on Jan 15, 2009
If your camera is still under warranty, the best thing you can do is to take it to the nearest official Canon repair shop and Canon should fix it for free.
If your camera is out of warranty, or if Canon refuses to repair it for free (happens sometimes if for example they suspect the camera has not been treated properly) you can try some of the methods listed here to repair it yourself. These simple methods have helped a lot of people fix their cameras.
Before trying any of the suggestions, make sure your Canon has fresh batteries and it is in recording mode.
1) Remove the batteries from the camera, wait for a couple of minutes, then put them back in and turn the camera on.
2) Try compressed air. With a fine tip blow off gun and dry compressed air (20 lbs) set the tip between the lens turret and the camera body and turn on the air while moving the tip around the lens. It should remove all dust and sand. Turn the camera on and it should function fine.
3) Another method is to tap the padded USB cover part on a hard surface, for example, a desk. It sounds so simple, but very often in works.
4) Try forcing the camera lens:
Turn off the camera. Place it on the back with the lens facing up and take a look at the spacing between the lens and the lens housing. If you notice that the gap is not even all the way around the lens, the problem should be easy to fix. This type of a problem usually occurs if the camera was dropped while the lens was extended.
Simply - VERY GENTLY - press down the lens on the side where the gap is the biggest. You should hear a "click" as it pops back into place. Try powering the camera back on.
If the lens doesn't extend at all or it extends, and then retracts again, do the following. Turn the camera off. Take the camera in one hand and with the other gently take one part of the lens and gently move it round in a circular movement. Do so with both sections of the lens. You will hear a "click" as it pops back in place. Power the camera on.
Another version of this fix would be to pull and twist on the largest ring of the lens while turning the camera on. Listen for a "click". If at first the focus seems to be off, turn the camera on and off and take lots of pictures, close ups and distance. Focus should slowly start improving.
If none of this works for you please comment.
Posted on Mar 29, 2009
SOURCE: Canon A540 E18 error
You don't want to take it apart. Wayyyyyy too many parts and steps. I bought a used one with the same problem, lens was stuck half open and out of alignment, it was dropped. I got it working well in about an hour.
I tried all the described tricks, plus a few others.
#1 get a strong canister vac or shop vac, and put the end of the hose right over the front of the camera and turn it on for a few seconds, and turn it lens side down. This will remove any grit in the gears and may pull the lens itself all the way out.
#2 if the lens is still stuck try rotating the outer collar gently both ways until you hear it click into place. If it does, look at the alignment of the inner barrel to the case. the lens will never fully retract if it is out of alignment, if it is you will have to force it back onto the gears it should be on.
If it was dropped resign yourself to the fact you must at some point nearly break those plastic gears inside to get them back where they need to be, and there's a fine line between forcing and breaking it.
Just remember you'll have to get the lens closed and aligned before it will work, closing it is a proces of both rotating the outer collar and gently wiggling the inner sleeve closed. Before it will close it has to be straight. Once it its closed put a fresh set of batteries in.
This whole E18 issue is not as complex as people might think, you just have to be reeeeal gentle with that lens assembly when it's extended.
Posted on Jan 03, 2010
SOURCE: Lens will not open/extend.
Due to the tight tolerances inside the lense mechanism - small bits of sand or lint may become trapped in the mechanics.
It is advised to take the camera to a camera repair shop and have it disassembled and cleaned.
There are many small parts and intricacies that will render it totally useless if not done properly.
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Posted on Mar 30, 2010
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