SC6xx: Communication
D0CA/D0C9/D0C8/D0CB 6-62 SM
SC No. Type Error Name/Error Condition/Major Cause/Solution
Check if the SC occurs by turning the main power OFF then ON. If the SC
occurs again, do the following steps. Check if the SC reoccurs by cycling the
power after each step.
1. Reconnect the EEPROM on the BiCU (PCB1).
2. Replace the EEPROM.
3. Replace the BiCU (PCB1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC670-01 D Engine Start Up Error when Main Power Switch ON (* Refer to “When
SC670 Is Displayed” below)
• ENGRDY signal was not asserted when the machine was turned on or
returned from energy saver mode.
• EC response was not received within specified time from power ON.
• PC response was not received within specified time from power ON.
• SC response was not received within specified time from power ON.
• Writing to Rapi driver failed (the other party not found through PCI).
• BiCU (PCB1) does not start up.
Check if the SC occurs by turning the main power OFF then ON at least 10
times. If the SC occurs again, do the following steps. Check if the SC reoccurs
by cycling the power after each step.
1. Reconnect the BiCU (PCB1) and Controller board (PCB24).
2. Replace the board in the following priority:
1. BiCU (PCB1)
2. PSU (PCB16)
3. Controller board (PCB24)
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC670-02 D Engine is Down When Machine Starts Up (SC reboot can be performed)
(* See “When SC670 Is Displayed” below)
Machine-down was detected after the ENGRDY signal was not asserted.
• CPU reset by watchdog timer
• CPU reset by software
• CPU reset by CPU exception handling
• Slave VODKA reset
• CPU reset due to hardware malfunction/noise
• Slave VODKA reset due to hardware malfunction/noise
The engine board was reset at an unexpected time.
Check if the SC occurs by turning the main power OFF then ON at least 10
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