Olivetti d-Color MF4003 Service Manual page 477

d-Color MF4003/MF3303
4.12 E4-1, E4-2
NOTE
▪ When executing the Self-diag. (Full) after the trouble code (CE301, CE304) is displayed, the self-diagnosis may not complete. In
that case, finish the Self-diag. (Full) forcibly, and perform the troubleshooting against each trouble code.
▪ Turning OFF the main power switch will finish the Self-diag. (Full) forcibly.
Contents
Error code E4-1, E4-2
Target device System/image memory
Diagnosis item E4-1
E4-2
Reason of error Engagement failure
Mounting failure
DRAM failure
Relevant electrical parts CPU board (CPUB)
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. Correct the mounting of CPUB if faulty.
3. Replace CPUB.
4.13 E5-1
Contents
Error code E5-1
Target device Various USB devices
Diagnosis item IRIS0
Reason of error Connection failure
Parts defect
Relevant electrical parts CPU board (CPUB)
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. Correct the mounting of CPUB if faulty.
3. Replace CPUB.
4.14 E5-2
Contents
Error code E5-2
Target device Various USB devices
Diagnosis item USB3.0-HUB chip (base board)
Reason of error Connection failure
Parts defect
Relevant electrical parts CPU board (CPUB)
Base board (BASEB)
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. Correct the mounting of CPUB if faulty.
3. Correct the mounting of BASEB or the connection of connectors if faulty.
4. Replace CPUB.
5. Replace BASEB.
4.15 E5-3
Contents
Error code E5-3
Target device Various USB devices
Diagnosis item USB2.0-HUB chip (base board)
Reason of error Connection failure
Parts defect
Relevant electrical parts Base board (BASEB)
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.
Y119930-3
L TROUBLESHOOTING > 4. TROUBLESHOOTING USING SELF-DIAG. (FULL)
WORK0 (Main memory ch.A)
WORK1 (Main memory ch.B)
L-79
Service Manual