Maintenance box recognition error
Error name
Detection Maintenance box, read (Error code: 920902)
Detection Maintenance box, write (Error code: 920903)
Error occurrence condition
Occurs if the data written to CSIC of the maintenance box differs from normal or cannot be recognized.
Trouble related parts and causes
Maintenance box attachment failure
CSIC contact parts dirty
Maintenance box CSIC defect
CSIC contact part failure
Troubleshooting
| Step | Check and measure | Yes | No |
|---|---|---|---|
| 1 | Reattach the maintenance box Does the error occur after reattach the maintenance box? |
Go to step 2 |
End |
| 2 | Clean the Maintenance box CSIC Clean the Maintenance box CSIC with a dust-free cloth. Does the error occur? |
If the error did not occur, go to step 3. | End |
| 3 | Attach a new maintenance box Does the error occur after attach a new maintenance box? |
Replace the CSIC contact parts. |
End |