Ricoh M160 Service Manual page 287

SC No. Level
SC828-00 D
[0101]
SC No. Level
SC829-00 D
[0301]
[0401]
[0302]
[0402]
SM
Error Name/Error Condition/Major Cause/Solution
Self-diagnostic error: ROM
[XXXX]: Detailed error code
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.
Replace the controller board.
Error Name/Error Condition/Major Cause/Solution
Self-diagnostic error: Optional RAM
[XXXX]: Detailed error code
Verification error (Optional RAM slot )
Error detected during a write/verify check for the optional RAM
(SDRAM DIMM).

Loose connection

Defective SDRAM DIMM

Defective controller

Turn the main power switch off and on.

Replace the SDRAM DIMM.

Replace the controller.
Memory structure data error (Optional RAM slot )
The memory structure data error for the optional RAM (SDRAM
DIMM) is detected during self-diagnosis.

Defective RAM DIMM

Defective SPD ROM on RAM DIMM

Defective 12C bus
Replace the RAM DIMM.
6-43
Service Call
M160/M161