Lexmark W850n Service Manual page 37

Error code or
Error contents
message
945.01 Tray 5 HCF NVM R/W failure
Service tray 5
failure
951.XX RIP card assembly NVRAM
failure
Service
NVRAM
failure
953.XX Operator panel assembly
NVRAM failure
Service
NVRAM
failure
955.XX RIP card assembly NAND
CRC failure
Service Code
CRC
956.00 RIP card assembly processor
failure
Service
system board
956.01 RIP card assembly processor
over temperature failure
Service
system board
956.02 RIP card assembly cooling
fan failure
Service
system board
980.00 Tray 3/4 communication
failure
Service tray 3
comm.
980.01 Tray 5 HCF communication
failure
Service tray 5
comm.
980.02 Printer engine card-finisher
communication failure
Service
finisher error
980.03 Exit interface card assembly,
communication failure
Service
standard bin
comm.
980.04 Duplex controller card
assembly communication
Service
failure
duplex comm.
Description/Action
A read/write error has occurred on the NVM of the
tray 5 HCF controller card assembly.
Refer to Options Service Manual.
A failure has occurred in the RIP card asm NVRAM.
Go to "951.XX RIP card assembly NVRAM
failure" on page 2-60.
NVRAM chip failure with operator panel assembly
(mirror).
Go to "953.XX Operator panel assembly NVRAM
failure" on page 2-61.
The code ROM or NAND flash failed the cyclic
redundancy check.
Go to "955.XX RIP card assembly NAND CRC
failure" on page 2-62.
The RIP card processor has failed.
Go to "956.00 RIP card assembly processor
failure" on page 2-62.
The RIP card assembly has exceeded safe
operating temperature.
Go to "956.01 RIP card assembly processor over
temperature failure" on page
The RIP card assembly cooling fan is not
functioning properly.
Go to "956.02 RIP card assembly cooling fan
failure" on page 2-63.
A communication error occurred between the printer
engine card assembly and the 2TM/TTM controller
card assembly.
Refer to Options Service Manual.
A communication error occurred between the printer
engine card assembly and the HCF controller card
assembly.
Refer to Options Service Manual.
A communication error occurred between the printer
engine card assembly and the finisher.
Refer to Finisher Service Manual.
A communication error occurred between the printer
engine card assembly and the exit interface card
assembly.
Go to "980.03 Exit interface card assembly
communication failure" on page
A communication error occurred between the printer
engine card assembly and the duplex controller card
assembly.
Refer to Options Service Manual.
4024-110
2-63.
2-64.
2-17
Diagnostic information