Ricoh D069 Field Service Manual page 232

3. Appendix: Service Call Conditions
[0201] B
3
[0202] B
828 Self-diagnostic Error: ROM
[0101] B
829 B
835 Self-diagnostic error: Centronic device
[1102] C
40
Verification error
Error is detected during a write/verify
check for the standard RAM (SDRAM
DIMM).
Resident memory error
The SPD values in all RAM DIMM are
incorrect or unreadable.
Boost lap code error
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.
Self-diagnostic Error: Optional RAM
Verify error for optional RAM.
[0301]
Verification error (Slot 1)
[0302]
Composition error (Slot 1)
Loopback connector is connected but
check results in an error.
• Loose connection
• Defective SDRAM DIMM
• Defective controller
1. Replace the SDRAM DIMM.
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.
• Make sure that the resident RAM is
installed in the correct slot.
• Make sure the optional RAM is
installed in the correct slot (Slot 0)
• IEEE1284 connector error
• Centronic loopback connector
defective
1. Replace the controller board.