Commissioning and Trial Run
‑141‑
Fault Name Panel
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.
Seek technical support. Axis fault
E47.04 The STO circuit input
subsystem is abnormal.
Seek technical support. Axis fault
E47.05 The STO blocking
output chip is abnormal.
Seek technical support. 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 The braking transistor
has an open circuit.
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. Check whether the fan on the drive unit is
connected correctly.
Check whether the fan on the drive unit
does not rotate.
Axis fault
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