SC Tables
D037/D038/D040/D041 4-18 SM Appendix
4.1.5 SC4XX: IMAGE PROCESSING – 2
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
ID sensor adjustment error
When the Vsg error counter reaches "3", the machine detects "SC400".
The Vsg error counter counts "1" when the Vsg detected by ID sensor is
more than the value (default: 4.5V) specified with SP3324-005 or less
than the value (default: 3.5V) specified with SP3324-006.
 Dirty or defective ID sensor
400 D
1. Check the harness of the ID sensor.
2. Clean or replace the ID sensor.
 After replacing the ID sensor, input the ID sensor correction
coefficient with SP3362-013 and -016. For details, refer to "ID
sensor board" in the Replacement and Adjustment section.
1. Replace the BCU.
2. Replace the ITB unit.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
ITB unit motor error
The motor LOCK signal is not detected for more than two seconds
while the motor START signal is on.
 Motor overload
 Defective ITB unit motor
441 D
1. Replace the ITB unit.
2. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
ITB contact motor error 442 D
The ITB contact sensor does not detect the movement of actuator at
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