• Code: 460
• Description: Separation HV output error An interrupt checks the status of the HVPS every 10 ms. This SC is issued if the BCU detects a short in the HVPS 20 times at PWM D(ac).
• Causes: • Damaged insulation on the PTR HVPS cable • Damaged insulation around the PTR HVPS
• Remedy: 1. Replace the PTR HVPS cable. 2. Replace the PTR HVPS. 3. Replace the RCB.

• Code: 465
• Description: ITB cleaning unit set error The machine detects a setting error for the ITB cleaning unit while both front doors are closed.
• Causes: • Incorrect installation of the ITB cleaning unit
• Remedy: Check and reinstall the ITB cleaning unit.

• Code: 469
• Description: ITB cleaning motor lock error The machine detects an error of the ITB cleaning motor while it is rotating.
• Causes: • Harness to the ITB cleaning motor disconnected • Overload to the ITB cleaning motor • ITB cleaning motor defective
• Remedy: 1. Check the harness connection to the ITB cleaning motor. 2. Remove the obstacle that affects the ITB cleaning motor. 3. Replace the ITB cleaning motor.

• Code: 470
• Description: ITB rotation error The machine detects an error of the ITB rotation while it is rotating.
• Causes: • Overload to the ITB drive motor (ITB cleaning blade rolled in) or motor defective • Defective belt speed sensor
• Remedy: 1. Check or replace the ITB drive motor. 2. Check the harness connection, or replace the belt speed sensor.

• Code: 471
• Description: ITB skew adjustment error: time out The machine cannot complete the ITB centering control for 120 seconds after the ITB motor has started rotating.
• Causes: • Belt centering roller out of home position • ITB motor rotation sensor defective • Belt centering roller sensor defective • Belt centering roller motor defective
• Remedy: 1. Execute "Clearing SC471/475/476". 2. Replace the ITB motor rotation sensor. 3. Replace the belt centering roller sensor. 4. Replace the belt centering roller motor.

• Code: 472
• Description: 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.
• Causes: • Belt centering roller sensor detective • Belt centering roller motor defective
• Remedy: 1. Replace the belt centering roller sensor. 2. Replace the belt centering roller motor.

• Code: 473
• Description: ITB skew error The machine detects the ITB skew error.
• Causes: • ITB abnormal • Belt centering roller out of home position • ITB motor rotation sensor defective • Belt centering roller sensor defective • Belt centering roller motor defective
• Remedy: 1. Reinstall the ITB in the opposite direction or replace it. 2. Execute "Clearing SC471/475/476". 3. Replace the ITB motor rotation sensor defective. 4. Replace the belt centering roller sensor. 5. Replace the belt centering roller motor.

• Code: 474
• Description: ITB position error 1 The belt centering sensor detects an ITB position error.
• Causes: • ITB abnormal • Belt centering roller out of home position • ITB motor rotation sensor defective • Belt centering roller sensor defective • Belt centering roller motor defective
• Remedy: 1. Reinstall the ITB in the opposite direction or replace it. 2. Execute "Clearing SC471/475/476" 3. Replace the ITB motor rotation sensor defective. 4. Replace the belt centering roller sensor. 5. Replace the belt centering roller motor.