Description: Oscillation error The control terminal (Vre terminal) of the PF MOTOR driver has shorted out.
Remedy: 1. Remove the foreign material. 2. If the error still occurs, replace the MAIN BOARD.
Code: 122A
Description: Overload error Overcurrent to the PF MOTOR was detected. •PF ENCODER cable is damaged. • PF MOTOR cable is damaged. • Irregular load • PF ENCODER failure • PF MOTOR failure
Remedy: 1. Replace the PF ENCODER. 2. Replace the MAIN BOARD.
Code: 122B
Description: Over speed error The PF MOTOR was driven at a speed faster than a predetermined one during deceleration. • PF irregular load • PF ENCODER failure • SUB-B BOARD is damaged. • PF MOTOR driver failure
Remedy: 1. Replace the PF ENCODER. 2. Replace the SUB-B BOARD. 3. Replace the MAIN BOARD.
Code: 122C
Description: Reversing error The number of occurrences of reversing the PF MOTOR has reached a predetermined limit. • The polarity of PF ENCODER cable is opposite. • The polarity of PF MOTOR cable is opposite. • Slipping of the teeth of PF TIMING BELT • PF ENCODER failure
Remedy: 1. Adjust the tension of the PF TIMING BELT. 2. Replace the PF ENCODER.
Code: 122D
Description: Driving time-out error Abnormally-long driving duration of the PF MOTOR was detected. • Irregular load • Firmware becomes out of control.
Remedy: Replace the MAIN BOARD.
Code: 122E
Description: Velocity deviation error The PF MOTOR was driven at a speed abnormally faster than a predetermined one during acceleration or deceleration. • Irregular load • PF ENCODER failure • PF MOTOR failure • SUB BOARD is damaged. • PF MOTOR driver failure
Remedy: 1. Replace the PF ENCODER. 2. Replace the PF MOTOR. 3. Replace the MAIN BOARD.