• Code: E404
• Description: There is a fault in the delivery motor. DADF-K1
  The face-down delivery motor (M3) fails to rotate. The facedown delivery motor clock sensor (SR7) is faulty. The face-down delivery motor encoder pulse is not detected within 0.3 sec after the face-down delivery motor drive signal has been turned ON.

• Code: E500
• Description: There is a fault in finisher communication Finisher-N1/Saddle Finisher-N2
  There is a fault in data communication. The communication between the machine and the finisher remains disrupted for 5 sec or more.

• Code: E500
• Description: There is a fault in finisher communication. Finisher-M1
  There is a fault in data communication. The communication between the machine and the finisher is disrupted and, in addition, an attempt at recovery within 5 sec fails.

• Code: E503-0002
• Description: There is a fault in saddle communication. Finisher-N1/Saddle Finisher-N2
  There is a fault in data communication. The communication between the saddle stitcher controller PCB and the finisher controller PCB remains disrupted for 5 sec or more.

• Code: E504-0001
• Description: There is a fault in stack size detection. Finisher-N1/Saddle Finisher-N2
  The height sensor (PS1) is faulty. The communication between the height sensor and the finisher controller PCB is prevented. Or, there is a fault in the communication data.

• Code: E504-0002
• Description: There is a fault in stack size detection. Finisher-N1/Saddle Finisher-N2
  The height sensor (PS1) is faulty. The communication between the height sensor and the finisher controller PCB is prevented for 0.1 sec or more.

• Code: E504-0003
• Description: There is a fault in stack size detection. Finisher-N1/Saddle Finisher-N2
  The connector of the height sensor (PS1) is faulty. This fault is detected at power-on.

• Code: E504-0004
• Description: There is a fault in stack size detection. Finisher-N1/Saddle Finisher-N2
  The DIP switch for the height sensor (PS1) is not adjusted correctly. There is a fault in the adjustment of the sensor by the DIP switch.