Ricoh D124-17 Service Manual page 632

6. Troubleshooting
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SC823 B
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HDD timeout (First machine)
HDD device was busy for over 31 seconds, or Mandolin was not detected. A
diagnostic command is set for the HDD, but the device remains was busy for
over 6 seconds.
• Defective HDD device
• Defective HDD connector
• Defective ASIC device
• Replace or remove the HDD device.
• Replace the HDD connector
• Replace the controller board
Diagnostics command error (First machine)
Diagnostic command issued an error because Mandolin was not detected, or
there was a w/r/c error in the HDD register
• Defective HDD device
• Replace the HDD device.
Self-diagnostics error: NIC
MAC address check sum error
The result of the MAC address check sum did not match the check sum stored in
ROM.
• Defective SEEP ROM
• Defective I2C bus (connection)
• Replace the controller board
PHY IC error
The PHY IC on the controller was not recognized.
• Defective PHY chip
• Defective ASIC MII I/F
• Replace the controller board