DA98E Series AC Servo Drive Unit User Manual
52
Excessively low supply
①
voltage on the
encoder caused by
long power cable for
the encoder.
Keep the cable as
①
short as possible.
Connect several core
②
wires in parallel for
supplying power.
Low input control
①
power supply.
Check the control
①
power supply.
10
Undervoltage
of control
power supply
Defective built
①
-in
connectors in the Drive
Unit.
Abnormal switching
②
power supply.
Damaged chip
③
.
Change the
①
Drive Unit.
Check the connectors.
②
Check the switching
③
power supply.
The alarm is
given when the
control power
supply is
switched on.
Fault of circuit board
①
.
Change the servo
①
drive unit.
Low supply voltage
①
Overheating
②
.
Check the
①
Drive Unit.
Restart it
②
.
Replace the
③
Drive
Unit.
Short circuit b
①
etween
terminals U, V and W of
the Drive Unit.
Check the wiring.
①
Improper grounding
①
Correctly ground it.
①
Damaged insulation of
①
the motor.
Change the motor.
①
11
Fault of IPM
module
The alarm is
given during the
operation of the
motor.
Interference
①
Add a line filter.
①
Keep away
②
interference sources.
Short circuit between
①
terminals U, V and W of
the Drive Unit.
Check the wiring.
①
12 Overcurrent
Improper grounding
①
.
Correctly ground it.
①
Summary of Contents for DA98E Series
Page 1: ......
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