Ricoh D104 Field Service Manual page 621

No. Type
[1401]
Self-diagnosis error: Standard NVRAM
The controller cannot recognize the standard NVRAM installed or detects that the
NVRAM is defective.
• Loose connection
CTL
824
• Defective standard NVRAM
D
• Defective controller
1. Check the standard NVRAM is firmly inserted into the socket.
2. Replace the NVRAM.
3. Replace the controller board.
No. Type
CTL
826 Self-diagnostic Error: RTC/optional NVRAM
D
The one second counted by the RTC is different from the one second counted by the
CPU on the controller.
[1501]
• Defective the RTC device
Replace the RTC device..
The RTC device is not detected.
• Defective RTC device
[15FF] • NVRAM without RTC installed
• Discharged backup battery
Replace the NVRAM with another NVRAM with an RTC device.
No. Type
CTL Self-diagnostic error: Standard SDRAM DIMM
827
D [XXXX]: Detailed error code
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
6
619