• Code: 1501
• Description: Release motor phase detection error
  When releasing the driven roller, the Roller Release HP Sensor cannot detect the change of status.
• Remedy: Check the installation status of the Roller Release HP Sensor. Check the connection between the Roller Release HP Sensor and the Main Board Assy. Replace the Roller Release HP Sensor.

• Code: 150C
• Description: PG phase detection error
  During PG operation, the PG HP Sensor cannot detect the change of status.
• Remedy: Check the installation status of the PG HP Sensor. Check the connection between the PG HP Sensor and the Main Board Assy. Replace the PG HP Sensor.

• Code: 151A
• Description: Overload error
  The electric current flowing when driving the motor is irregularly large. • Encoder cable is damaged. • Motor cable is damaged. • Irregular load • Encoder failure • Motor failure
• Remedy: Check if there is some foreign material causing extra load between the APG Motor and the carriage unit. Check the connection between the APG Motor Sensor and the Main Board Assy. Replace the APG Motor.

• Code: 151B
• Description: Over speed error
  Detects that it is being driven at an irregularly faster speed than the specified value just before stopping. • Irregular load • Encoder failure
• Remedy: Replace the APG Motor.

• Code: 151C
• Description: Reversing error
  Detects that it is being driven in the opposite direction to the specified driving direction. • The polarity of encoder cable is opposite. • The polarity of motor cable is opposite. • Encoder failure • Irregular load
• Remedy: Check the connection between the APG Motor Sensor and the Main Board Assy. Replace the APG Motor.

• Code: 151D
• Description: Driving time-out error
  Detects that the driving period is irregularly long. • Irregular load • Firmware becomes out of control.
• Remedy: Replace the Main Board Assy.

• Code: 151E
• Description: Velocity deviation error
  Detects that it is being driven at an irregularly faster speed than the specified value. • Irregular load • Encoder failure • Motor driver failure • Motor failure
• Remedy: Replace the APG Motor. Replace the Main Board Assy.

• Code: 151F
• Description: Lock error
  Detects that it is being driven at an irregularly slower speed than the specified value. • Encoder cable is damaged. • Motor cable is damaged. • Irregular load • Encoder failure • Motor failure
• Remedy: Check if there is some foreign material causing extra load between the APG Motor and the carriage unit. Check the connection between the APG Motor Sensor and the Main Board Assy. Replace the APG Motor.