IBM 6400 Maintenance Information Manual page 102

Chapter 5
Troubleshooting Display Messages
Operator Panel
Message
ETHERNET
DETECTED
FM HEADER ERROR
FREEFORM OFF
FREEFORM ON: OFF
HOLD KEY @ PWRUP
HAMMER BANK NOT
INSTALLED
102
Table 4. Message List
Explanation
Status message that No action required.
indicates that the
internal Network
Interface Card has
established
communication.
Frame Header Error. Not a printer problem. The system
Application software administrator should correct applications data
has violated header or configuration.
parameters.
This message can 1. Release any stuck keys. Determine and
appear if an operator
panel key is stuck in
2. Cycle power: power off the printer, wait
the down position.
Check the operator
panel for stuck key(s).
This message 1. Power off the printer. Hold any control
appears if the
freeform feature is
enabled. This feature
is for manufacturing
use only and is never
2. If the message reappears after doing step
used by the customer
or field maintenance
personnel.
Self-test routines do 1. Power off the printer. Verify that the
not detect hammer
coils at printer start-
up.
2. Remove the paper guide assembly or
3. Power on the printer. If the message
4. Power on the printer. If the message
5. Power on the printer. If the message
Corrective Action
correct what made the key(s) stick.
15 seconds, power on the printer. The
message should be gone. If the message
appears, replace the operator panel.
panel key down and power on the printer.
Hold the key down until the printer
powers up and the message FREEFORM
OFF appears on the LCD.
1, replace the CMX controller board.
Record the message and return it with
defective CMX board.
shuttle frame assembly is installed. Install
the shuttle frame assembly.
pedestal top cover. Verify that the
hammer bank logic cable is connected to
connector J108 on the CMX controller
board and to the shuttle frame assembly.
appears, replace the hammer bank logic
cable.
appears, replace the shuttle frame
assembly.
appears, replace the CMX controller
board. Record the message and return it
with the defective board.