IBM Infoprint 6500-v05 Maintenance Manual page 90

Operator Panel Message
102 LOWER DRIVER SHORT *
SEE USERS MANUAL
Table 3. Message List
Explanation
Circuit(s) on the hammer bank or
in the hammer bank power cable
are shorted to ground.
Corrective Action
1. Cycle power. If the message appears, press STOP. If the
message does not clear, replace the hammer bank logic cable
and the hammer bank power cable.
2. Check the shuttle for electrical shorts (page 252).
3. Power on the printer. If the message appears, replace the shuttle
frame assembly.
4. Power on the printer. If the problem reappears, the controller
board or microcode is suspect. Do the following:
5. Save the printer configuration values. (Refer to the User's
Manual .)
6. Clear NVRAM (page 237).
7. Download and install the latest code from IBM First (page 231).
8. Power on the printer in download mode and load flash memory
(page 238).
a. If you encounter loading problems, go to the appropriate error
code for resolution.
b. If you encounter the failure or message that brought you to
this procedure, replace the controller board (page 319). After
replacing the controller board, DO NOT make the printer
READY, but proceed immediately to the next step.
9. Download and install the latest code from IBM First (page 231).
10. Power on the printer in download mode and load flash memory
(page 238).
11. If you encounter the failure after replacing the controller board,
reinstall the original controller board and contact your DDS and
Second Level Support.
Display Messages
90