Do the following.
- Turn the machine power OFF/ON.
- Do the action in the flowchart below to determine the cause and best course of action when SC672 occurs.
Flowchart to determine parts to replace when SC672 occurs
Parts | How to determine the cause |
|---|---|
USB cable | LED on the controller board blinks once every second |
Operation panel | LED on the controller board blinks once every second |
CTL | LEDs on the controller board are lit constantly |
Memory | LEDs on the controller board are lit constantly |
Flowchart to determine parts to replace when no display on operation panel
Parts | How to determine the cause |
|---|---|
USB cable | LED on the controller board blinks once every second |
Operation panel | LED on the controller board blinks once every second |
IPU | Fuse 3 on the IPU |
CTL | LED on the controller board does not blink |
Memory | LED on the controller board does not blink |