IBM 6400 - Page 86

86
Chapter 5 Troubleshooting Display Messages
086 CONTROLLER 15V
Controller Voltage
Failure.
1. Cycle Power. Run the print job again. If
the message appears, remove the
hammer bank logic cable, inspect it for
damage, and test it for continuity. (See
Appendix A.) Replace the hammer bank
logic cable if it is damaged or fails
continuity test.
2. Cycle power. Run the print job again. If
the message appears, replace the flash
memory with pre-written flash. (See
Table 8 and Table 9 on page 219 and
Figure 35 on page 220.)
3. Power on the printer. Run the print job
again. If the message appears, replace
the CMX controller board. Record the
message and return it with defective CMX
board. Also check the resistance of
connectors P106/LRIB M and P107/RRIB
M. (Refer to the Main Wire Test Tables,
page 291.) If ribbon motor resistance is
not correct, replace the motor and/or the
intermediate cable, if installed.
4. Power on the printer. Run the print job
again. If the message appears, replace
the power supply board.
5. Power on the printer. If the message
appears, replace the shuttle frame
assembly.
Table 4. Message List
Operator Panel
Message
Explanation Corrective Action