Ricoh G-P3 Service Manual page 117

4. Troubleshooting
SC
[Level]
Resident memory error
[0202]
The SPD values in all RAM
[B]
DIMM are incorrect or
unreadable.
4
828 Self-diagnostic Error: ROM
Boost lap code error
The boot monitor and OS
program stored in the ROM
[0101]
DIMM is checked. If the check
[B]
sum of the program is
incorrect, this SC code is
displayed.
ROMFS error
All areas of the ROM DIMM
[0104]
are checked. If the check sum
[B]
of all programs stored in the
ROM DIMM is incorrect, this
SC code is displayed.
829 Self-diagnostic Error: Optional RAM
Verification error (Slot 1)
[0401]
The data stored in the RAM in
[B]
Slot 1 does not match the data
when reading.
Composition error (Slot 1)
[0402]
The result of checking the
composition data of the RAM
116
Symptom
2. Replace the controller.
• Defective RAM DIMM
• Defective SPD ROM on RAM DIMM
• Defective 12C bus
1. Replace the RAM DIMM.
• Defective ROM DIMM
• Defective controller
1. Replace the ROM DIMM.
2. Replace the controller.
• Defective ROM DIMM
1. Replace the ROM DIMM.
• Not specified RAM DIMM installed
• Defective RAM DIMM
1. Replace the RAM DIMM.
2. Replace the controller board.
• Not specified RAM DIMM installed
• Defective RAM DIMM
1. Replace the RAM DIMM.
Possible Cause/Required Action