• Code: SC552
• Description: Right fusing pressure motor home position error 1
  The right pressure motor did not return to home position 9 s after the right pressure motor started.
• Causes: • Motor drive mechanism overloaded. • Motor defective. • Pressure home position sensor defective.

• Code: SC553
• Description: Right fusing pressure motor home position error 2
  The right pressure motor was still at the home position 1.5 s after the start signal turned on.
• Causes: • Motor drive mechanism overloaded. • Motor defective. • Pressure home position sensor defective or disconnected.

• Code: SC554
• Description: Fusing drive motor error
  The fusing drive motor lock signal stayed on (remained HIGH) for 5 s.
• Causes: • Fusing motor drive mechanism overloaded. • Motor defective.

• Code: SC600
• Description: Operation panel/MCU communication error
  The operation panel and MCU are not communicating.
• Causes: • Loose harness • MCU defective

• Code: SC601
• Description: IPU/CIS communication error
  The IPU and CIS are not communicating.
• Causes: • MCU defective • Loose harness

• Code: SC602
• Description: Communication error between IPU and HDC
  The IPU and HDC (hard disk controller chip mounted on the IPU) are not communicating.
• Causes: • IPU board defective • HDC mounted on IPU incorrectly

• Code: SC603
• Description: IPU/AMDP communication error
  The IPU and AMDP are not communicating after 6 AMDP data transmissions.
• Causes: • IPU defective.

• Code: SC605
• Description: BICU/MCU error
  The BICU and MCU are not communicating due to a serial data communication error or a serial data receive buffer overflow.
• Causes: • MCU defective