SERVICE CALL CONDITIONS
SM 4-17 G104
Trouble-
shooting
Item
SC
Symptom Possible Cause/Required Action
[1401] Self-diagnostic error – NVRAM 824
[D]
The controller cannot
recognize the standard
NVRAM installed or detects
that the NVRAM is
defective.
• Loose connection
• Defective standard NVRAM
• Defective controller
1. Check the standard NVRAM is firmly inserted into
the socket.
2. Replace the NVRAM.
3. Replace the controller.
[0201] Self-diagnostic error – RAM: Verification error 827
[D]
Error detected during a
write/verify check for the
standard RAM (SRAM
DIMM).
• Loose connection
• Defective RAM DIMM
• Defective controller
1. Replace the RAM DIMM.
2. Replace the controller.
[0101] Self-diagnostic error – ROM: Check sum error 1
The boot monitor and OS
program stored in the ROM
DIMM is checked. If the
check sum of the program
is incorrect, this SC code is
displayed.
• Defective SD card in slot 1
• Defective controller
1. Replace the SD card in slot 1.
2. Replace the controller.
[0104] Self-diagnostic error – ROM: Check sum error 2
828
[D]
All areas of the ROM DIMM
are checked. If the check
sum of all programs stored
in the ROM DIMM is
incorrect, this SC code is
displayed.
Same as [0101]
[0302] Self-diagnostic error – RAM: Composition error (Slot 0)
The result of checking the
composition data of the
RAM in Slot 0 (CN5) on the
controller is incorrect.
• Not specified RAM DIMM installed
• Defective RAM DIMM
1. Replace the RAM DIMM.
2. Replace the controller board.
[0401] Self-diagnostic error – RAM: Verification error (Slot 1)
The data stored in the RAM
in Slot 1 does not match the
data when reading.
Same as SC 829 [0302]
[0402] Self-diagnostic error – RAM: Composition error (Slot 1)
829
[B]
The result of checking the
composition data of the
RAM in Slot 1 (CN6) on the
controller is incorrect.
Same as SC 829 [0302]
Network interface error 850
[B]
The network is unusable.
• Defective controller
1. Replace the controller.
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