Printronix P8000 Series Administrator's Manual page 306

Chapter 8
Fault Messages (ASCII in Alphabetical Order)
Table 1. LCD Message Troubleshooting Table (ASCII)
Displayed Message
<Online, etc...>
Half Speed Mode
HAMMER COIL BAD*
#, #, #, ...etc
HAMMER DRIVER
CIRCUIT BAD*
HAMMERBANK NOT
INSTALLED*
HMR BANK FAN FLT
ILL EXT BUS ACC*
306
Can User
Explanation
Correct?
No Status message: The
controller samples the
operating temperature of
key components of the
print mechanism. When
higher than normal
temperatures are sensed,
the print speed is
automatically reduced by
50% and the message
sent the LCD. When the
components cool down,
the print speed returns to
100% and the message
clears.
No Hammer coil # failed
current test at power up.
No Driver Circuit Bad. The
hammer coil count test
failed.
No Hammer Bank Not
Installed. Self-test
routines do not detect
hammer coils at printer
start-up.
Yes Sensor cannot detect
current in fan circuit.
No Illegal External Bus
Access. Firmware error
on the controller board.
Solution
No action is required. If the
message appears often,
contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Check that fan cable is
connected. Check for
obstruction of vents and fan
airway; remove any
obstructions. Check for items
beneath the printer blocking
cabinet vents. Power back on
the printer. If this message
recurs, contact your
authorized service
1
representative.
Contact your authorized
1
service representative.