IBM 6500

Table 10. Fault Messages (continued)
Fault Message
Operator
Correctable? Explanation Solution
FREEFORM OFF Yes A control panel key is stuck
in the down position.
1. Release stuck keys.
Determind and correct what
made the key(s) stick.
2. Cycle power: power off the
printer, wait 15 seconds,
power on the printer. If the
message appears, replace
the control panel.
FREEFORM ON:OFF HOLD
KEY @ PWRUP
Yes This message appears if the
freeform feature is enabled.
This feature is for
manufacturing use only and
is never used by the
customer or field
maintenance personnel.
1. Power off the printer. Hold
any control 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. If
the message reappears,
contact your IBM service
representative.
H/B CONTROL MODE
SEE USER’S MANUAL
N/A A status message indicating
that one or more hammer
coils are hotter than normal
and the printer will run in
half–speed mode until they
cool down. This can occur
during especially dense print
jobs.
None required. The printer
automatically corrects the
condition by running at
half–speed mode until the
hammers cool down, at which
point it resumes full speed
printing.
HMR BANK NOT INSTALLED
SEE USER’S MANUAL
No Hammer bank is not
installed.
Contact your IBM service
representative.
HAMMER COIL BAD
#, #, #, #,...etc.
No Hammer coils(s) number #,
#, etc. failed the current test
at power-up.
(You can continue to print with
degraded print quality.)
Contact your IBM service
representative.
ILL INST ACCSS* Yes Illegal Instruction Access: a
firmware error on the
controller board.
Cycle power. Run the print job
again. If the message appears,
download the emulation
software again. If the message
appears, contact your IBM
service representative.
INTAKE FAN FAULT Yes Sensors cannot detect current
in fan circuit.
See description for HMR
BANK FAN FLT.
INTERRUPT UNUSED VECTOR
00
No The controller board receives
an interrupt it does not
understand.
Cycle power. If this message
occurred once and never again,
you can ignore it. If the
message reappears or appears
consistently, contact your IBM
service representative.
LOADING PROGRAM FROM
PORT XX%
N/A The new emulation program
is loading into printer RAM.
XX% indicates how much of
the program has loaded.
No action required.
244 Infoprint 6500 User’s Manual