Ricoh G133 Service Manual page 281

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
3. Replace the controller
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
[15FF]
Self-diagnostic Error: RTC/optional NVRAM
The RTC device is not detected.
CTL
826
RTC defective
D
NVRAM without RTC installed
Backup battery discharged
1. 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
Verification error
Error detected during a write/verify check for the standard RAM
(SDRAM DIMM).
Loose connection
[0201]
Defective SDRAM DIMM
Defective controller
1. Turn the main switch off and on.
2. Replace the SDRAM DIMM.
3. Replace the controller.
[0202] Resident memory error
The SPD values in all RAM DIMM are incorrect or unreadable.
Defective RAM DIMM
Defective SPD ROM on RAM DIMM
SM 4-65
SC Table
G133