Service Call 816-899
D255/D256/M281/M282 6-66 SM
No. Type Error Name/Error Condition/Major Cause/Solution
Number of unusable blocks exceeded threshold for Nand-Flash
Replace the controller board.
No. Type Error Name/Error Condition/Major Cause/Solution
SC842-02 C Number of Nand-Flash block deletions exceeded
At startup, or when the machined returned from energy save
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.
Replace the controller board.
No. Type Error Name/Error Condition/Major Cause/Solution
SC845 Hardware Error Detected when the automatic firmware update
SC845-01 D Engine Board
SC845-02 D Controller Board
SC845-03 D Operation Panel (Normal)
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
Replace the target board.
For SC845-02, HDD and memory may cause the problem.
Replace the HDD or memory if the SC cannot be recovered by
replacing the controller board.