Ricoh D037 Service Manual page 475

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Loose connection
Defective standard NVRAM
Defective controller
1. Check the standard NVRAM is firmly inserted into the socket.
2. Replace the NVRAM.
3. Replace the controller
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
CTL [15FF]
826
D Self-diagnostic Error: RTC/optional NVRAM
RTC error
[1501]
Defective the RTC device
Replace the i-controller.
The RTC device is not detected.
RTC defective
[15FF]
NVRAM without RTC installed
Backup battery discharged
Replace the NVRAM with another NVRAM with an RTC device.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
CTL Self-diagnostic error: Standard SDRAM DIMM
827
D [XXXX]: Detailed error code
[0201] Verification error
Error detected during a write/verify check for the standard RAM
(SDRAM DIMM).
Loose connection
SM Appendix 4-53
SC Tables
D037/D038/D040/D041