Ricoh G188 Service Manual page 349

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
CTL Self-diagnostics error: CPU
820
D [XXXX]: Detailed error code
CPU error
During the self-diagnostic, the controller CPU detects an error. There
are 47 types of error code (0001 to 4005) depending on the cause of
the error. The CPU detects an error and displays the specific error code
with the program address where the error occurs.
System firmware problem
Defective controller
[0001] to
[06FF]
1. Turn the main switch off and on.
[0801] to [4005]
1. Reinstall the controller system firmware.
2. Replace the controller.
When the problem cannot be fixed with the above procedure, the
following information displayed on the screen needs to be fed back to a
technical support center.
SC code
Detailed error code
Program address
CPU/Memory Error
System firmware problem
[0702]
Defective RAM-DIMM
[0709]
Defective controller
[070A]
1. Reinstall the controller system software.
2. Replace the RAM-DIMM.
3. Replace the controller.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
CTL Self-diagnostics error: ASIC
821
D [XXXX]: Detailed error code
SM Appendix
Service Call Conditions
3-53 G188/G189