How to Repair Canon A470 Lens Errors

Written by brandon getty
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How to Repair Canon A470 Lens Errors
Fix your Canon A470's pesky lens error and get back to taking pictures. (Jupiterimages/Creatas/Getty Images)

Many of Canon's digital compact cameras, including the PowerShot A470, are susceptible to the E18 lens error. The error occurs during extension of the camera's zoom lens and is usually the result of a debris blockage or misalignment, after an accidental drop. If the LCD view screen on the back of your A470 turns black, while in normal shooting mode and displays a small script reading "E18" in the lower corner, you can repair it quickly and simply.

Skill level:
Moderately Easy

Things you need

  • Compressed air
  • Two AA alkaline batteries

Show MoreHide


  1. 1

    Slide open the battery compartment cover on the underside of your A470. Remove the old batteries and replace them with two fresh ones. Slide the cover closed.

  2. 2

    Locate the seam between the camera body and the outermost lens turret. Place the tip of a can of compressed air near the seam and fire several short bursts. Continue this around the seam's circumference.

  3. 3

    Hold the camera firmly. Tap the USB cable cover, located on the right side of the camera, lightly against the edge of a table.

  4. 4

    Ensure that the camera's power is off. Inspect the seam between the camera body and outermost lens turret for even spacing. If the lens appears misaligned or will not retract, apply firm pressure to the front lens turret with your thumbs. Listen for an audible click, indicating that the lens has been reseated correctly.

  5. 5

    Power on your camera and enter normal shooting mode to test its function.

Tips and warnings

  • Contact Canon if your camera is still covered under warranty and the above steps do not solve the E18 error. In most cases, they will repair the camera free of charge.
  • Do not attempt to disassemble your camera, if you are unfamiliar with its mechanics.

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