IBM 6400 Maintenance Information Manual page 86

Chapter 5
Troubleshooting Display Messages
Operator Panel
Message
086 CONTROLLER 15V
86
Table 4. Message List
Explanation
Controller Voltage 1. Cycle Power. Run the print job again. If
Failure.
2. Cycle power. Run the print job again. If
3. Power on the printer. Run the print job
4. Power on the printer. Run the print job
5. Power on the printer. If the message
Corrective Action
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.
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.)
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.
again. If the message appears, replace
the power supply board.
appears, replace the shuttle frame
assembly.