EFORT EC2-S, Operation And Maintenance Manual

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Electrical Operation and Maintenance Manual for Control Cabinet of EC2-S Industrial Robot
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1.3.1.4 Alarm 639
Fault Description: Braking resistor is overloaded.
Fault Reasons: Braking resistor is overloaded.
Solutions:
1. Check the wiring of the braking resistor;
2. Replace the braking resistor;
3. Change the operating condition of the motor to avoid frequent E-stop operations, such as extending
the stop time of the motor;
4. Restart the electric cabinet.
1.3.1.5 Alarm 640
Fault Description: FANS fault of internal cabinet
Fault Reasons: FANS fault of internal cabinet
Solutions:
1. Open the cabinet. Clean the wiring of draught fan and check whether it has poor contact;
2. Check whether the drive parameters are set properly;
3. Replace the draught fan;
4. Restart the electric cabinet.
1.3.1.6 Alarm 641
Fault Description: Fault activation on PFC (Power Factor Correction)
Fault Reasons: Fault activation on PFC (Power Factor Correction)
Solutions:
1. Alarm reset;
2. Replace the drive;
3. Restart the electric cabinet.
1.3.1.7 Alarm 642
Fault Description: Temperature transducer I2C bus fault
Fault Reasons: Temperature transducer I2C bus fault
Solutions:
1. Alarm reset;
2. Replace the drive;
3. Restart the electric cabinet.
1.3.1.8 Alarm 643
Fault Description: Hardware circuit torque (STO) disconnect and latch fault
Fault Reasons: Hardware circuit torque (STO) disconnect and latch fault
Solutions:
1. Check whether the STO input signal and its conversion are normal;
2. Check the STO cable connection;