Technical Bulletin PAGE: 4/44
Model: Aries-P1.5/C1.5 Date: 17-Feb-11 No.: RM077018
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
The machine cannot complete the ITB centering control for 120
seconds after the ITB motor has started rotating.
Belt centering roller out of home position
ITB motor rotation sensor defective
Belt centering roller sensor defective
Belt centering roller motor defective
1. Execute "Clearing SC471/475/476". ( "Clearing SC 471,
475 or 476" under "Troubleshooting" chapter in the Field
Service Manual.)
2. Replace the ITB motor rotation sensor.
3. Replace the belt centering roller sensor.
4. Replace the belt centering roller motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Belt centering roller HP error
The belt centering roller sensor does not detect the belt
centering roller at HP during initialization.
The belt centering roller sensor still detects the belt centering
roller at HP after the belt centering roller motor has started
rotating.
Belt centering roller sensor detective
Belt centering roller motor defective
472 D
1. Replace the belt centering roller sensor.
2. Replace the belt centering roller motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
ITB skew error
The machine detects the ITB skew error.
ITB abnormal
Belt centering roller out of home position
ITB motor rotation sensor defective
Belt centering roller sensor defective
Belt centering roller motor defective
473 D
1. Reinstall the ITB in the opposite direction or replace it.
2. Execute "Clearing SC471/475/476". ( "Clearing SC 471, 475
or 476" under "Troubleshooting" chapter in the Field Service
Manual.)
3. Replace the ITB motor rotation sensor defective.
4. Replace the belt centering roller sensor.
5. Replace the belt centering roller motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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