Ricoh D025 Service Manual page 527

Rev. 10/06/2010
No. Type
1. Check the standard NVRAM is firmly inserted into the socket.
2. Replace the NVRAM.
3. Replace the controller
⇒
No. Type
Self-diagnostic Error: RTC/optional NVRAM
[1501]
D
The one second counted by the RTC is different from the one second
counted by the CPU on the controller
•
826
D
The RTC device is not detected.
•
•
•
⇒
No. Type
Self-diagnostic error: Standard SDRAM DIMM
[0201]
Verification error
827 D
Error detected during a write/verify check for the standard RAM
(SDRAM DIMM).
•
•
•
SM Appendix
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective the RTC device
[15FF]
Defective the RTC device
NVRAM without RTC installed
Discharged backup battery
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Loose connection
Defective SDRAM DIMM
Defective controller
3-75
SC Tables
D023/D025