Canon imageRUNNER ADVANCE 715iF III Series Service Manual page 268

Pattern 1 (The Main Power LED blinks 2 times in 4 seconds: Controller error)
Pattern 2 (The Main Power LED blinks 3 times in 4 seconds: Power Supply error)
(2) E-code is displayed on the Control Panel LCD
Check item
Check whether E-code is displayed on the Control Panel.
(3) Is the LED8 of the Main Controller PCB ON?
Check item
Check whether the LED8 of the Main Controller PCB is ON.
1 sec
4 sec
1 sec
4 sec
E602-0001
An error has occurred.
Turn OFF the main power
E-code display example
LED8
257
6. Troubleshooting
. . .
. . .