Having issues with Servo Motor Alarm Code No. 11 on Samsung SM321 SMT Machine? Read our step-by-step SMT maintenance solution below. If you require replacement feeders, nozzles, or sensors, contact SMTBOX for OEM-compatible parts.
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
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