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
page 4-55.
947
Process timing clock
error
Indicates synchronization signal from main motor
(MM) is not inputted.
Go to “911—Main motor service check” on
page 2-48.
953
NVRAM chip failure
Indicates engine board NVRAM failed.
Replace engine controller board. Go to “Engine
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 “Operator
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 “RIP board removal” on
page 4-45.
957
ASIC failure
Indicates a problem with RIP board ASIC. Replace
RIP board. Go to “RIP board removal” on
page 4-45.
958
NAND failure
Indicates that on-board NAND flash located on RIP
board has failed. Replace RIP board. Go to “RIP
board removal” on page 4-45.
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 “RIP board removal” on
page 4-45.
Error code Action
