Ricoh D117 Service Manual page 411

SC Tables
No. Type
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.
No. Type
CTL Self-diagnostic error: NIB
824
D [XXXX]: Detailed error code
Self-diagnostic error : NVRAM
NVRAM device does not exist, NVRAM device is damaged, or NVRAM
socket damaged.
[1401]
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D117/D118
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
NVRAM defective
Controller board defective
NVRAM backup battery exhausted
NVRAM socket damaged
6-50 SM