Ricoh OR-C1 Field Service Manual page 462

3. Appendix: Service Call Conditions
No. Type
826 C
[1501]
3
[15FF]
No. Type
827 C
[0201]
No. Type
828 C
104
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Self-diagnostic Error: RTC/optional NVRAM
The one second counted by the RTC is different from the one second counted by
the CPU on the controller.
• Defective the RTC device
Replace the RTC device.
The RTC device is not detected.
• Defective RTC device
• NVRAM without RTC installed
• Discharged backup battery
Replace the NVRAM with another NVRAM with an RTC device.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Self-diagnostic error: Standard SDRAM DIMM
[XXXX]: Detailed error code
Verification error
Error detected during a write/verify check for the standard RAM (SDRAM DIMM).
• Loose connection
• Defective SDRAM DIMM
• Defective controller
1. Turn the main switch off and on.
2. Replace the SDRAM DIMM.
3. Replace the controller.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Self-diagnostic error: ROM
[XXXX]: Detailed error code