Ricoh M160 - Page 285

Service Call
SM 6-41 M160/M161
Troubleshooting
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC823-00 B
Self-diagnostics error: NIC
[XXXX]: Detailed error code
[6101]
MAC address check sum error
The result of the MAC address check sum does not match the
check sum stored in ROM.
 Defective SEEP ROM
 Defective I2C bus (connection)
Replace the controller board.
[6104]
PHY IC error
The PHY IC on the controller cannot be correctly recognized.
 Defective PHY chip
 Defective ASIC MII I/F
Replace the controller board.
[6105]
PHY IC loop-back error
An error occurred during the loop-back test for the PHY IC on
the controller.
 PHY chip
 Defective MAC of ASIC (SIMAC/COMIC/CELLO)
 Defective I/F with the PHY board
 Defective solder on the PHY board
Replace the controller board.