Printronix N7000 H-Series User Manual page 216

Chapter 7
Diagnosing Problems
Table 13. N7000 H-Series Fault Messages Troubleshooting
Displayed Message
B44 ERROR: SDRAM
NOT 64 BITS WIDE*
B45 ERROR: SDRAM
IS WRONG VOLTAGE*
B46 ERROR: SDRAM
HAS MIXED SIZES*
B47 ERROR: SDRAM
LARGER THAN 256M*
B49 ERROR: SDRAM
# LOGICAL BANKS*
B50 ERROR: SDRAM
LOGIC COMB BANKS*
B51 STATUS: XX%
LOADING...
B53 ERROR: 12C NO
ARBITRATION
B54 ERROR: SDA
LINE STUCK LOW
CLEARING
PROGRAM FROM
FLASH
216
Can User
Explanation
Correct?
No Printer boot initialization
tests detect incorrect
SDRAM.
No Printer boot initialization
tests detect incorrect
SDRAM.
No Printer boot initialization
tests detect incorrect
SDRAM.
No Printer boot initialization
tests detect incorrect
SDRAM.
No Printer boot initialization
tests detect incorrect
SDRAM.
No SDRAM DIMM is not
compatible with the
computer. SDRAM DIMM
may not be properly
installed.
No Status message: printer
boot-up routines are loading
printer system software into
flash memory and SDRAM.
No There is a problem on the
2
I C bus which allows the
SDRAM DIMM to
communicate with the GPIO
interface.
No The SDRAM or a PCI card is
shorting out the serial data
bus on the controller board.
No Status message: emulation
software successfully loaded
into printer RAM and the
checksum matched. The old
program is now being
deleted from flash memory.
Solution
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
No action required.
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
1
representative.
No action is required.