Omron ACCURAX G5 User Manual page 498

11-4 Troubleshooting
Alarm
Error conditions
display
Main circuit power
13
supply undervoltage
11
14 Overcurrent
11-12
Status when error
occurs
Occurs when the servo is
turned ON.
Occurs when the power
supply is turned ON.
Occurs when the servo is
turned ON.
Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
Cause
· The power supply
voltage is low.
· Check the power
· Momentary power
interruption occurred.
· Change the power
· Power supply capacity
is insufficient.
· Turn ON the power
· The power supply voltage
is reduced because the
· Extend the Momentary
main power supply is OFF.
· The main power supply
is not input.
· Correctly connect the phases
· Phase loss
· Correctly connect the
· The main circuit power
supply is damaged. · Replace the driver.
· Control PCB damage.
· Control PCB error · Replace the driver.
· Repair the short-circuited or
· The motor power line is
short-circuited or · Measure the insulation
ground-faulted
between phases.
· Phase U, phase V, phase
W, and the ground are · Wire correctly.
wired incorrectly.
· Measure the winding
· Motor winding is
burned out.
· Do not frequently input
· The relay for the
dynamic brake has
· Do not operate the
been deposited.
· Use a motor that is
· Motor non-conformity
· Wait at least 100 ms before
· The pulse input timing
is too soon.
· Reduce the ambient
· The resistor in the
driver is abnormally · If the relay does not
overheating.
Measures
supply capacity.
supply.
supply.
Hold Time (Pn509).
of the power supply voltage.
single-phase.
ground-faulted power line.
resistance at the motor
and, if there is a short
circuit, replace the motor.
resistance, and if the
winding is burned out,
replace the motor.
the operation
command (RUN) input.
system by turning the
servo ON and OFF.
appropriate for use
with the driver.
inputting pulses after
turning ON the operation
command (RUN).
temperature of the
driver to 55°C or lower.
click when the power
supply is turned ON,
replace the driver.