Troubleshooting guide, Power-related problems, The charger’s lamp blinks three times – Canon EOS-1D Mark IV User Manual
Page 249: The battery becomes exhausted quickly
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Troubleshooting Guide _
If there is a problem, first refer to this Troubleshooting Guide on pages
249 to 255. If this Troubieshooting Guide does not resoive the problem,
contact your dealer or nearest Canon Service Center.
Power-Related Problems
The battery cannot be recharged with the battery charger provided.
• Do not recharge any battery pack other than a genuine Canon Battery
Pack LP-E4.
The battery charger’s
The charger’s lamp blinks three times.
• See pages 30 and 31.
The camera does not operate even when the power switch is set to
• The battery is not properly installed in the camera (p.32).
• Recharge the battery (p.28)
• Make sure the card slot cover is closed (p.36).
The access iamp stiii blinks even when the power switch is set to
• If the power is cut off while an image is being recorded to the card, the
access lamp will still continue to light/blink for a few seconds. When
the image recording is completed, the power will turn off automatically.
The battery becomes exhausted quickly.
• Use a fully-charged battery (p.28)
• The battery performance might have degraded. See the [V’ Battery
info.]
menu option to check the battery's performance level (p.247) If
the battery's performance level has degraded, purchase a new battery,
• If you keep displaying the shooting function setting screen (p.23) or
using Live View shooting or movie shooting (p.125, 141) for a
prolonged period, the number of possible shots will decrease
249