Having issues with Alarm Code No. 12 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. High voltage alarm.
1. Operating Condition: After supplying the control power
Causes:
X,Y Servo-Amp. regenerating resistor damage, disconnection
Servo-Amp. damaged
Measures:
Resistor reconnection
Resistor change
Servo-Amp. change
2. Operating Condition: During motor running
Causes:
X,Y Servo-Amp.regenerating resistor damage, disconnection
Servo-Amp. damaged
Measures:
Resistor reconnection
Resistor change
Servo-Amp. change

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