Olivetti d-Color MF4003 Service Manual page 516

d-Color MF4003/MF3303
12.1.2 Manual boot diagnosis procedure
1. Turn OFF the main power switch under the condition in which the start screen freezes or blacks out during the startup sequence.
2. Turn the main power switch on while pressing the power key.
3. After a short beep sound is made once, release the power key and close the front lower door or the front door.
4. The combination of "power key" and "data indicator" displays the result of the boot diagnosis.
5. Check the display combination and turn OFF the main power switch.
6. Perform the procedure according to the result of the boot diagnosis.
12.1.3 Boot diagnosis result list
No. Power key Data indicator
1 Light out Light out
2 Light up in Light out
purple
3 Light up in Blink (long
purple period)
4 Light up in Blink (short
purple period)
5 Light up in Light up
purple
NOTE
▪ Perform the troubleshooting in the sequence from step 1 of "Corrective action procedure" against each item while checking that
if each trouble has been resolved. Do not perform the troubleshooting against all troubles at once.
12.1.4 How to reset the boot diagnosis result
1. Turn OFF the main power switch. Wait for 10 sec. or more, and turn ON the main power switch.
Reboot the machine.
NOTE
▪ The freeze state is reproduced if the cause of the fault has not been eliminated.
Service Manual
L TROUBLESHOOTING > 12. PANEL BLACKOUT TROUBLE (BOOT DIAGNOSIS
Target device Reason of error
Control panel • Control
unit panel unit
engagement
/mounting
failure
• Control
panel unit
failure
Unable to • Cable
determine breakage
• Firmware
abnormality
Memory On-board
memory failure
Storage board • Storage
engagement
/mounting
failure
• Storage
failure
Software Software trouble
Corrective action procedure
1. Turn OFF the main power switch and unplug the power cord.
Connect the power cord after 15 sec. or more, and turn ON the
main power switch.
2. Check the control panel unit for proper installation. Correct the
mounting of control panel unit if faulty.
3. Reinstall the control panel unit.
4. Replace the cable for the control panel unit.
5. Replace the control panel unit.
1. Turn OFF the main power switch and unplug the power cord.
Connect the power cord after 15 sec. or more, and turn ON the
main power switch.
2. Check the base board for proper installation. Correct the
mounting of control panel unit if faulty.
3. Check the CPU board for proper installation. Correct the
mounting of control panel unit if faulty.
4. Replace the cable for the base board.
5. Replace the CPU board.
6. Replace the base board.
1. Turn OFF the main power switch and unplug the power cord.
Connect the power cord after 15 sec. or more, and turn ON the
main power switch.
2. Replace the CPU board.
3. Replace the base board.
1. Turn OFF the main power switch and unplug the power cord.
Connect the power cord after 15 sec. or more, and turn ON the
main power switch.
2. Reinstall the storage board.
3. Replace the storage board.
4. Replace the CPU board.
5. Replace the base board.
1. Turn OFF the main power switch and unplug the power cord.
Connect the power cord after 15 sec. or more, and turn ON the
main power switch.
2. Reinstall the firmware.
3. Reinstall the storage board.
4. Replace the storage board.
5. Replace the CPU board.
6. Replace the base board.
L-118
FUNCTION)
After that, reinstall the firmware.
Y119930-3