Why my Canon PowerShot S400 Digital Elph will not operate?
- YymasonJul 30, 2025
If your Canon Digital Camera isn't operating, ensure the power is on by pressing the ON/OFF button. Also, confirm that the battery cover and CF card slot cover are securely closed. If the battery voltage is insufficient, insert a fully charged battery or use the AC Adapter Kit ACK500 (sold separately). Poor contact between camera and battery terminals can also cause this, so wipe the terminals with a clean dry cloth. Check that the mode switch is not set to (Replay) and the CF card is not full. If the flash is charging, wait until it's ready.