Ricoh B230 Service Manual page 319

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
CTL Self-diagnostic error: NIB
823
B [XXXX]: Detailed error code
MAC address check sum error
[6101] The result of the MAC address check sum does not match the check
sum stored in ROM.
PHY IC error
[6104]
The PHY IC on the controller cannot be correctly recognized.
PHY IC loop-back error
[6105] An error occurred during the loop-back test for the PHY IC on the
controller.
1. Replace the controller.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
[1401]
Self-diagnosis error: Standard NVRAM
The controller cannot recognize the standard NVRAM installed or
detects that the NVRAM is defective.
CTL
Loose connection
824
D
Defective standard NVRAM
Defective controller
1. Check the standard NVRAM is firmly inserted into the socket.
2. Replace the NVRAM.
3. Replace the controller
SM 4-79 B230/B237