NE200/300 Series Drive User Manual
Chapter 7 Fault information and trouble shooting
193
make simple analysis according to the instructions as below.
S.N
Abnormity
Possible causes Countermeasure
1
Keypad LED
no display after
power on
1. Drive power supply
absent
2. The keypad or the
connecting cable between
keypad and control board is
damaged.
3. The drive is damaged in
the internal.
1. Check the input power
supply
2. Change connecting
cable between keypad
and control board or
change keypad.
3. Ask for service from
supplier
2
Motor does not
run after drive
give run
command
1.The motor is damaged or
block up
2. The anti-reverse function
is set and rotation direction
conflicts with this setting.
3. The frequency reference
signal is zero.
4.The wiring of motor has
phase loss
1. Replace the electric
motor or rule out the
mechanical failure.
2. Remove
“Anti-reverse” setting or
change the motor
running direction.
3. Check frequency
reference signal.
4. Check the electric
motor wiring.
3
Motor running
reversely
1. The motor wiring
sequence is not correct.
1. Alter the sequence of
the motor wiring
2. Adjust the function
code F0.18.
4
Motor gets
serious
vibration
1.mechanical resonance
2.The legs of the machine
not stable
3.Output phases imbalance
1. Adjust the machine
2. Adjust the machine
legs
3. Check the load.
5
The noise of
motor is too
loud
1.Lubrication is not good or
bearing wear
2.Carrier frequency is too
low
1. Repair or replace the
electric motor.
2. Increase the carrier
frequency of the drive
To Next Page
Loading...
