Servo Motor Alarm Code No. 11 on Samsung SM321 SMT Machine

Alarm Contents: Servo-amp. Control power, low voltage alarm

Servo Motor Alarm Code No.: 11
Alarm Contents: Servo-amp. Control power, low voltage alarm

1. Operating Condition: After supplying the control power.
Causes:
Low voltage of the control power at the r – t terminal.
Servo-Amp. damaged.
Measures:
Measure the control power input voltage through the r – t terminal and check.
Servo-Amp. Change

2. Operating Condition: After main power is turned on and the “Ready to Operate” signal is On.
Causes:
Instantaneous voltage drop of the control power.
Servo-Amp. damaged.
Measures:
r – t terminal voltage measuring and check.
Check the capacity of the Power Supply.
Servo-Amp. Change

3. Operating Condition: After Servo-Amp. On
Causes:
Instantaneous voltage drop of the control power owing to the surge current input through the r-t terminal.
Servo-Amp. damaged.
Measures:
r – t terminal voltage measuring and check.
Servo-Amp. change.
Check the capacity of the Power Supply