PowerShot Pro90IS Camera User Guide

124 Appendices
Troubleshooting
Problem Cause Solution
Power is not turned on
Battery cover or CF card slot
cover is open
Insufficient battery voltage
([Lb] flashes in display panel)
Poor contact between
camera and battery
terminals
Main dial is set to ,
or
Flash is charging
CF card full
CF card not formatted
correctly
Battery pack capacity
reduced because of disuse
for one year or more
Battery life exceeded
• Turn the main dial to a position other than .
• Confirm that the battery cover is securely closed.
• Confirm that the CF card slot cover is securely closed.
• Fully charge the battery or use a household power
source.
• Wipe the terminals with a clean, dry cloth.
• Turn the main dial to (Shooting).
• Wait until the displays, indicating that the flash is
charged, before pressing the shutter button.
• Insert a new CF card.
• If required, download the images to a computer and
erase them from the CF card to make space.
• Format CF card. ➜ See Formatting a CF card (p. 93)
• If reformatting doesn't work, the CF card logic circuits
may be damaged. Contact the nearest Canon
Customer Support Help Desk.
• Replace the battery pack with a new one.
Camera will
not operate
Camera will
not record
Battery pack
consumed
quickly