Ricoh G104 Service Manual page 99

SC
Symptom
820 [0001-0015] [000A-000D] Self-diagnostic error– CPU: Detailed error code
[D]
During the boot monitor
program and self-
diagnostic, any exception or
cut-in are not supposed to
happen. If these happen, it
is defined as SC.
[00FF] Self-diagnostic error– CPU: Detailed error code
Cache access error in the
CPU
[0601, 0602, 0605, 0606, 0607, 0609] Self-diagnostic error– CPU: Detailed error
code
Exceptional command does
not operate even though it
is executed on purpose.
[060A-060E] Self-diagnostic error– CPU: Detailed error code
Cut-in command does not
operate when it is executed.
[0610] Self-diagnostic error– CPU: Detailed error code
Timer cut-in does not
operate even though it is
set.
[0612] Self-diagnostic error– CPU: Detailed error code
Cut-in in ASIC occurs.
[06FF] Self-diagnostic error– CPU: Detailed error code
The pipeline clock
frequency rate is different
from the prescribed value.
[0702] Self-diagnostic error– CPU: Detailed error code
The result when the
program is executed in the
command cache is different
from desirable value.
[0709, 070A] Self-diagnostic error– CPU: Detailed error code
Even you write the data in
the only cache of memory,
the data is actually written
in another area of memory.
SM
CÓPIA NÃO CONTROLADA
Item
Possible Cause/Required Action
• Defective CPU device
• Defective boot monitor program or self-diagnostic
program
1. Replace the controller board.
2. Reinstall the system firmware.
• Defective CPU
• Defective local bus
1. Turn the main switch off and on.
2. Reinstall the system program.
3. Replace the controller board.
• Defective CPU devices
1. Replace the controller board
• Defective CPU devices
• Defective ASIC devices
1. Replace the controller board
• Defective CPU devices
1. Replace the controller board
• Defective ASIC
• Defective devices in which ASIC detects cut-in.
1. Replace the controller board.
• Defective CPU devices
• Mode bit data error, which is used for initialising
CPU
1. Replace the controller board
• Insufficient CPU cache
• Insufficient memory process speed
1. Replace the controller board.
2. Replace the RAM DIMM.
• Defective CPU devices
• Incorrect SPD
• Boot mode setting error
1. Replace the controller board.
2. Replace the RAM DIMM.
4-15
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
G104