Omron R88M-W60010T User Manual page 352

Troubleshooting
Display Error
Low voltage
a.410
5-20
Status when
error occurs
Occurs when the • The Servo Driver board is
control circuit
defective.
power supply is
turned ON.
Occurs when the • The AC power supply
main circuit power
voltage is 120 V or lower.
supply is turned
ON.
• The Servo Driver fuse is
burned out.
• Inrush current limit resis-
tance disconnection
(Check whether there is
an error in the power sup-
ply voltage or an inrush
current limit resistance
overload.)
• Servo Driver is defective. • Replace the Servo
Occurs during nor- • The AC power supply
mal operation.
voltage is low. (Check
whether there was a
large voltage drop.)
• A momentary power
interruption occurred.
• The Servomotor main-cir-
cuit cable is short-cir-
cuited.
• The Servomotor is short-
circuited.
• Servo Driver is defective. • Replace the Servo
Cause of error
• Replace the Servo
Driver.
• Set the AC power supply
voltage in the correct
range.
• Replace the Servo
Driver.
• Replace the Servo
Driver. (Check the power
supply voltage and
reduce the frequency at
which the main circuit is
switched ON and OFF.)
Driver.
• Set the AC power supply
voltage in the correct
range.
• Reset the alarm to
restore operation.
• Correct or replace the
Servomotor main-circuit
cable.
• Replace the Servomotor.
Driver.
Chapter 5
Countermeasures