Advertisement
(4) Relation between the MFPC PWB LED status and errors
When the machine cannot be booted, check the LED status of the MFPC PWB to presume the error content and its cause.
<Process content and LED display>
LED status (Lighting)
OOOO
CPU initial setting
OOO
Memory adjustment
OO
O
Memory check
OO
O
OO
Program memory development
O
O
Interruption-related initialization
O
O
PCIe initialization
O
Basic device initialization
OOO
SD card initialization
SATA initialization
O
OS initialization (1)
O
O
Timer enabling
O
Serial driver enabling
I2C driver enabling
O
LCD initialization
O
Image process IP initialization
O
OS initialization (2)
Main process
*
: LED ON / O: LED OFF
<When an error occurs>
LED status (Flashing)
OOO
Nonsupport memory
OO
O
Nonsupport memory (access speed)
OO
Nonsupport memory controller
O
OO
DDR-PHY setting error
O
O
Interruption handler process error
OOO
Memory check error
Memory combination error
* In case of an error, the LED's flash as shown in the above table.
*
: LED ON / O: LED OFF
D25/D24/D23/D22
LED No.
3 / 2 / 1 / 0
Process operation content
-
Error content
MX-M316N TROUBLESHOOTING 7 – 22
Cause for halt during operation
Reus ASIC trouble
Memory and its peripheral circuit trouble
Memory and its peripheral circuit trouble
Memory-related trouble
Reus ASIC trouble
PCIe and its peripheral circuit trouble (SoC/ACRE, etc.)
Reus ASIC trouble
Reus ASIC trouble
SD card trouble
HDD trouble
Reus ASIC trouble
Reus ASIC trouble
Reus ASIC trouble
Reus ASIC trouble
Reus ASIC trouble
Reus ASIC trouble
Reus ASIC trouble
Memory trouble
Memory trouble
Memory trouble
Reus ASIC trouble
Reus ASIC trouble
Memory trouble
Memory trouble
-
Cause
Advertisement
