SC No. Type Error Name/Error Condition/Major Cause/Solution
• Motor driver detects an error (DC motor control error) (1st time is
jam notification, 2nd time is SC notification)
• During movement to home, the home position could not be detected
within a predetermined time (1st time is jam notification, 2nd time is
SC notification).
• During movement from home, the home position was detected for
longer than a predetermined time (1st time is jam notification, 2nd
time is SC notification).
SC720-80 B Protection Device Intercept Error 3
Fuse blowout is detected
SC720-81 B Transfer Roller Transport Motor Error
Motor driver detects an error (DC motor control error) (1st time is jam
notification, 2nd time is SC notification)
SC720-82 B Edge Guide Motor Error
SC720-83 B Paper Guide Motor Error
Error Condition of -82, -83
• During movement to home, the home position could not be detected
within a predetermined pulse (1st time is jam notification, 2nd time is
SC notification).
• During movement from home, the home position was detected for
longer than a predetermined pulse (1st time is jam notification, 2nd
time is SC notification).
• Harness short-circuit -80 only
• Overload
• Motor defective
• Solenoid defective -03, -80 only
• Connector disconnected
• Encoder defective -10, -25, -34 -81 only
• Home position sensor defective
6. Troubleshooting
980
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