2-140
Confidential
4.8 Others Problems
4.8.1 Unable to turn ON the power.
<User Check>
- Properly insert the AC cord.
4.8.2 Power is turned ON but the machine does not operate at all.
<User Check>
- Check whether the temperature of the installation location is below the specified
temperature.
- Check that the USB cable is not damaged.
- Check that the LAN cable is not damaged.
4.8.3 USB port for connecting the optional card reader does not function
(no response)
<User Check>
- Replace the USB cable.
- Check that card is compatible.
- Check that data form is compatible.
- Check that USB device embedded with USB HUB was not connected.
- Load the latest firmware.
- Turn OFF and ON the power switch.
Step Cause Remedy
1 AC cord failure Replace the AC cord.
2 Harness connection failure of
Panel key PCB
Check the harness connection of the panel
key PCB and reconnect the harness.
3 Harness connection failure of
Panel PCB
Check the harness connection of the panel
PCB and reconnect the harness.
4 Panel PCB failure Replace the top cover ASSY.
5 Power supply PCB failure Replace the power supply PCB ASSY.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Wireless LAN harness
connection failure
Check the connection of wireless LAN
harness and reconnect the harness.
2 Power supply PCB failure Replace the power supply PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.