10. PG cable wiring is incorrect
11. PG encoder wiring has
interference of electrical signal
12. Electrical signal interference
causes the drive malfunction
13. Incorrect inertia setting of
the load
14.Motor hunting occurs
» Correct grounding shorts and
reapply power
6. Adjust parameter settings for
Speed Search (group b3)
»Proceed Auto-Tuning for line-to-line
resistance
7. Check the voltage
»Lower drive input power voltage
within the range listed in the drive
specifications
8. Check the wiring of the braking
resistor and braking unit
»Correct the wiring
9. Tighten the terminal or replace the
damaged cable
10. Correct the wiring
11. Separate the PG wiring from the
source of the electrical signal
interference (drive output cable)
12. Check the solutions for
interference suppression
»Check the wiring of control circuit l,
main circuit and grounding.
13.Check the load inertia settings
when using KEB, or Stall Prevention
during deceleration
14. Adjust the parameters to suppress
hunting
»Adjust n1-01 (Hunting Prevention
Gain)
Overcurrent
(Acceleration, Deceleration
and Constant Speed)
1. The motor insulation is
damaged or the motor is
overheated
2. Grounding problem caused
by damaged motor cable
3.The drive is damaged
4.The load is too heavy
5. Settings for acceleration or
deceleration time is too short
6.The drive is running a special
purpose motor or a motor
1. Check the insulation resistance
2. Check the motor power cable
3. Check the resistance between the
cable and the terminal.
4. Short circuit on drive output side or
grounding causes register damage.
5. Measure the current flowing into
the motor
5. Check the motor capacity
6. Calculate the torque required
during acceleration according to the
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