SC8xx: Overall System
D0CA/D0C9/D0C8/D0CB 6-94 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC842-00 C Nand-Flash Updating Verification Error
SCS write error (verify error) occurred at the Nand-Flash module when
remote ROM or main ROM was updated.
Nand-Flash defective
1. Turn the main power OFF/ON.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC842-01 C Insufficient Nand-Flash Blocks (Threshold exceeded)
At startup, or when machine returned from low power mode, the Nand-Flash
status was read and judged that the number of unusable blocks had
exceeded threshold, and then SCS generated the SC code.
Number of unusable blocks exceeded threshold for Nand-Flash
1. Replace the Controller Board (PCB24).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC842-02 C Number of Nand-Flash Block Deletions Exceeded
At startup, or when the machined returned from low power mode, the
Nand-Flash was read and judged that the number of deleted blocks had
exceeded threshold, and then SCS generated this SC code.
Number of blocks deleted exceeded threshold for Nand-Flash
1. Replace the Controller Board (PCB24).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC845-** Hardware Error Detected when the Automatic Firmware Update
SC845-01 D Engine Board
SC845-02 D Controller Board (PCB24)
SC845-03 D Operation Panel (Normal) (This machine does not support a (Normal)
Operation Panel.)
SC845-04 D Operation Panel (Smart Panel)
SC845-05 D FCU
When updating the firmware automatically (ARFU), the firmware cannot be
read or written normally, and the firmware update cannot be completed even
by 3 retries.
Hardware abnormality of the target board
1. Replace the target board.
2. For SC845-02, HDD and memory may cause the problem. Replace the
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