Troubleshooting Without Error Messages; Initial Operation Problems - MUTOH Valuevet VJ-628X Maintenance Manual

2.3 Troubleshooting Without Error Messages

2.3 Troubleshooting Without Error Messages
This section describes the symptoms of errors without an error message as well as the check items and recovery actions.
2.3.1

Initial Operation Problems

No. Symptom
1 Printer cannot be turned on
2 LCD display malfunction
(When using Jig Panel)
2.3.1 Initial Operation Problems
Table 2-6 Symptoms, Check Items and Actions for Initial Operation Problems
Check item
1. Are the cables between Inlet and Power board and
Power board and MAIN board securely connected?
2. Is Power cable damaged?
3. Is Panel FFC cut or shorted out?
4. Panel unit may be damaged.
5. Inlet may be damaged.
6. Power board may be damaged.
7. MAIN board may be damaged.
1. Check the connection of Panel FFC connector area on
the Panel unit side and MAIN board side.
• Is Panel FFC obliquely inserted?
2. Panel FFC may be damaged.
3. Is LCD monitor of Panel unit damaged?
4. MAIN board may be damaged.
5. Power board may be damaged.
Action
Connect Power cable securely.
If it is damaged, replace it.
Replace Panel FFC.
Replace Panel unit.
Replace Inlet.
Replace Power board.
Replace MAIN board.
Correctly plug the following connectors again.
• Panel FFC
Replace Panel FFC.
Replace Panel unit.
Replace MAIN board.
Replace Power board.
VJ628XE-M-00
Reference
"3.5Replacing Board Base
section
"3.3.1Replacing Panel Board
"3.5.6Replacing AC Inlet
"3.5.1Replacing Power Board
"3.5.10Replacing MAIN Board
"3.5.10Replacing MAIN Board
"3.3.1Replacing Panel Board
"3.5.10Replacing MAIN Board
"3.5.1Replacing Power Board
34