Troubleshooting For Malfunctions When Alarm Indicators Are Not Lit - Omron SJDE-APA-OY User Manual

5.2 Troubleshooting for Malfunctions when Alarm Indicators Are Not Lit

Troubleshooting for malfunctions that occur with the servomotor even though the alarm indicators do not
light are listed below. Perform the appropriate corrective actions accordingly.
: Take corrective actions for the shaded items only after turning the servo system OFF.
Problem
PWR indica- The wiring of the power
tor does not cable is incorrect.
light when
power is
turned ON.
Servomotor The servo ON (/S-ON) input
does not is OFF.
rotate for ref-
erence input
from the con-
The reference pulse settings
troller.
are incorrect.
The wiring of the servomotor
main circuit cable is incor-
rect.
The wiring of the encoder
cable is incorrect
The wiring of the I/O signal
(connector CN1) is incorrect.
The power is not turned ON.
Both CW input and CCW
input are ON simultaneously.
A SERVOPACK fault
occurred.
5.2 Troubleshooting for Malfunctions when Alarm Indicators Are Not Lit
Cause
Check the power supply to
be sure it is within the per-
missible voltage range.
Check the wiring of the
power supply input.
Check the connection cable
for the regenerative unit is
correctly wired.
Check to see if the REF indi-
cator is lit green.
Check to see if the REF indi-
cator is flashing.
Check the reference pulse
types of the controller and
the SERVOPACK.
Check the wiring.
Check the wiring of the refer-
ence pulse.
Check the reference pulse
type.
Check the voltage of the ref-
erence pulse.
Check the power supply and
the status of PWR indicator.
Check the voltage between
the power supply terminals.
Check the wiring of the refer-
ence pulses.
−
Inspection Items
51
Corrective Action
Set the power supply input
within the permissible power
supply voltage range.
Correct the wiring.
−
Turn ON the servo ON signal
or wire the servomotor cor-
rectly if the REF indicator is lit
orange.
Wire the servomotor correctly
or set the pulse type of the
SERVOPACK according to
the reference pulse type of
the controller if the REF indi-
cator is not lit.
Set the pulse type of the
SERVOPACK according to
the reference pulse type of
the controller.
Correct the wiring.
Correct the wiring.
Set the pulse type of the
SERVOPACK according to
the reference pulse type of
the controller.
Connect a resistor according
to the voltage.
Turn ON the power.
Correct the power ON circuit.
Input either the CW pulse sig-
nal or CCW pulse signal.
Be sure to turn OFF all
terminals with no input
signals.
Replace the SERVOPACK.