Ricoh B230 Service Manual page 316

No. Type
An error in the operation system (An error message is output.)
1.
2.
No. Type
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.
[0001] to
[06FF]
1.
[0801] to [4005]
2.
3.
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.
[0702]
[0709] CPU/Memory Error
[070A]
B230/B237
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective CPU
Defective memory
Defective flash memory
Incorrect software
Replace the memory.
Replace the controller.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
System firmware problem
Defective controller
Turn the main switch off and on.
Reinstall the controller system firmware.
Replace the controller.
SC code
Detailed error code
Program address
4-76 SM