What can cause malfunctions?

  • Shooting conditions and environment
  • External forces
  • Water damage
  • Power usage of components
  • Accessories used (battery pack, lens, flashes etc.)
  • Static electricity
  • Other unknown factors


What types of malfunctions are encountered during travel?



  • Failure to focus
  • Focusing is not sensitive
  • Zoom is not smooth
  • AF inaccuracy
  • Dust settles on the lens’ interior
  • Blurred shots


Digital Camera

  • Lens error
  • Camera does not start up
  • LCD appears blurred or has bright spots
  • Lens iris does not open
  • Flash does not fire sometimes


  • Power depletes fast
  • Frequent low battery prompt
  • Failure to charge - indicator turns green after charging for a few minutes, indicates battery is depleted after battery is inserted

Memory Card

  • Memory card pins are bent
  • Memory card pins need to be checked
  • Memory card “BUSY” is displayed
  • Incomplete Memory card pins
  • After shooting and playback, screen does not show display until battery is removed


EOS Camera

  • Shutter button cannot be pressed
  • Bright dots appear on the CMOS sensor
  • Dust settles on the CMOS sensor, needs cleaning
  • LCD display is blurred, blank or has banding
  • LCD has bright dots
  • LCD leaks light
  • LCD flickers when rotated
  • Flash does not fire sometimes
  • External flash does not fire
  • Defective flash synchronization
  • Camera fails to autofocus
  • Camera does not start up
  • Shots are blurred
  • Firmware updates