Fault Name
Display
Possible Cause Solution
Fault Type
STO fault
STO
STO1 and STO2 signals are
disconnected
simultaneously.
Check the wiring of STO1 and STO2.
Axis fault
E47.02
STO1 and STO2 signals are
disconnected separately.
Check the wiring of STO1 and STO2.
Axis fault
E47.03
Undervoltage or overvoltage
occurs on the STO circuit.
Contact the technical support personnel.
Axis fault
E47.04
The STO circuit input
subsystem is abnormal.
Contact the technical support personnel.
Axis fault
E47.05
The STO blocking output
chip is abnormal.
Contact the technical support personnel.
Axis fault
Braking unit fault
E61.01
The braking transistor is
short-circuited at stop.
Check whether the resistance and power of the
braking resistor are too low.
Check whether the braking resistor is short-circuited.
Power supply unit
fault
E61.02
Braking transistor open
circuit occurs.
Contact the technical support personnel.
Power supply unit
fault
E61.03
The braking transistor is
short-circuited during
running.
Check whether the resistance and power of the
braking resistor are too low.
Check whether the braking resistor is short-circuited.
Power supply unit
fault
Fan fault
E80.00
The fan is faulty.
Ensure that the fan on the drive unit is connected
properly.
Ensure that the fan rotates freely.
Axis fault
List of Fault Codes
-562-
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