Printronix N7000 H-Series, User Manual

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N7000 STD ASCII Printers Fault Messages
179
N7000 STD ASCII Printers Fault Messages
Table 12. N7000 STD ASCII LCD Fault Messages Troubleshooting
Displayed Message
Can User
Correct?
Explanation Solution
8.5V PWR FAIL* No 8.5 Volt power failed.
Internal power failure. Contact your authorized service
representative.
1
15V CTL FAIL* No Controller voltage failure. Contact your authorized service
representative.
1
23.5V CTL FAIL* No 23.5 Volt Controller
failed: a voltage failure on
the controller board. Contact your authorized service
representative.
1
48V CIRCUIT*
See User Manual
No Either the power supply is
not generating a proper
48 Volts or the controller
board is not detecting a
48 Volt output from the
power supply board. Contact your authorized service
representative.
1
48V PWR FAIL* No Internal power failure. Contact your authorized service
representative.
1
A TO D OVERUN* No Analog to Digital
Overrun. The analog-to-
digital converter
overflowed. Contact your authorized service
representative.
1
ACCESS NULL PTR* No Access Null Pointer: The
processor tried to access
a pointer that contains
nothing (null). Contact your authorized service
representative.
1
B00 STATUS: SDRAM
DETECTION 166MHZ No Status message: the
printer has begun its
boot-up routines and is
checking for the
presence of SDRAM. No action required.
B01 STATUS: 8245
SDRAM TEST 32MB
No Status message: printer
boot-up routines are
testing SDRAM. No action required.
B10 ERROR: NO
DRAM DETECTED* No SDRAM DIMM may not
be properly installed.
Boot-up routines did not
detect the presence of
the SDRAM DIMM. Cycle power to see if the message
clears, if not, contact your
authorized service representative.
1