Olivetti d-Color MF4003 Service Manual page 440

d-Color MF4003/MF3303
Trouble detection condition Engine control malfunction is detected with port monitor control.
Trouble isolation -
Relevant electrical parts
Procedure
1. Check the connectors on BASEB for proper connection and correct as necessary.
2. Rewrite the firmware.
3. Replace CPUB.
4. Replace BASEB.
3.11.7 C5605, C5606
Contents
Trouble type
Rank C
Trouble detection condition A communication error is detected between CPUs.
Trouble isolation -
Relevant electrical parts
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 CPUB for proper installation and correct as necessary.
3. Rewrite the firmware.
4. Replace CPUB.
5. Replace BASEB.
3.11.8 C5610
Contents
Trouble type C5610: PH LD drive communication error
Rank C
Trouble detection condition
Trouble isolation -
Relevant electrical parts
Procedure
1. Reboot the machine.
2. Check the connector between the PH unit-BASEB CN13 for proper connection and correct as necessary.
3. Check CPUB for proper installation and correct as necessary.
4. Replace the PH unit.
5. Replace CPUB.
6. Replace BASEB.
3.11.9 C5620
Contents
Trouble type C5620: Mechanical controller WDT error
Rank C
Trouble detection condition Communication error is detected in mechanical controller ASIC.
Trouble isolation -
Relevant electrical parts
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 CPUB for proper installation and correct as necessary.
3. Rewrite the firmware.
4. Replace CPUB.
5. Replace BASEB.
3.11.10 C5701
Contents
Trouble type C5701: Power supply malfunction
Service Manual
• CPU board (CPUB)
• Base board (BASEB)
• C5605: Engine communication data error
• C5606: Engine transmission timeout
• CPU board (CPUB)
• Base board (BASEB)
• LD drive write data and read data disagree with each other a predetermined number of consecutive times.
• Different PH unit is installed.
• PH unit
• CPU board (CPUB)
• Base board (BASEB)
• CPU board (CPUB)
• Base board (BASEB)
L TROUBLESHOOTING > 3. TROUBLE CODE
L-42
Y119930-3