Lexmark 5021-0XX User Manual
Page 83

Diagnostic information
2-5
5021-0XX
946
Engine controller
hardware error
Turn power off and then back on.
If error still exists, replace engine controller board.
Go to
“Engine controller board removal” on
947
Process timing clock
error
Indicates synchronization signal from main motor
(MM) is not inputted.
Go to
“911—Main motor service check” on
953
NVRAM chip failure
Indicates engine board NVRAM failed.
Replace engine controller board. Go to
controller board removal” on page 4-55
.
954
NVRAM CRC failure
Indicates the operator panel failed CRC check.
Replace the operator panel cable. Go to
panel cable removal” on page 4-54
955
Code CRC
Indicates that on-board NAND flash located on RIP
board has failed CRC check. Replace RIP board. Go
to
“RIP board removal” on page 4-45
955
Code ECC
Indicates that on-board NAND flash located on RIP
board has failed CRC check. Replace RIP board. Go
to
“RIP board removal” on page 4-45
956
Processor failure
Indicates a problem with RIP board processor.
Replace RIP board. Go to
957
ASIC failure
Indicates a problem with RIP board ASIC. Replace
RIP board. Go to
958
NAND failure
Indicates that on-board NAND flash located on RIP
board has failed. Replace RIP board. Go to
959
SRAM failure
Indicates a problem with RIP board SRAM. Replace
RIP board. See
“RIP board removal” on page 4-45
.
960
Memory error
Indicates that RIP board soldered RAM is bad.
Replace RIP board. Go to
Error code
Action