11-15
11-4 Troubleshooting
Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
11
Error and Maintenance
26 Overspeed
Occurs during high-speed
rotation.
· The speed command
input is too large.
·
Set the command pulse
frequency to 500 Kpps max.
·
The setting for the Electronic
Gear Ratio Numerator
(Pn009, Pn500 to Pn502) is
not appropriate.
·
Set the electronic gear
ratio numerator so that the
command pulse frequency
is 500 Kpps max.
· The maximum rotation
speed is exceeded due
to overshooting.
· Adjust the gain.
· Reduce the maximum
command speed.
· The encoder is wired
incorrectly.
· Wire correctly.
Occurs when torque limit
switching function is used.
· The set value for the
Overspeed Detection
Level setting (Pn513)
is exceeded.
·
If torque limit switching
function is used, correctly
set the allowable operating
speed for Pn014.
27 Command pulse error
Occurs when control
signal is input or
command is input.
· The command pulse
input frequency
exceeded the limit.
· Check the command
pulse input.
· Increase the set value
of Pn532.
·
The setting for the Electronic
Gear Ratio Numerator
(Pn009, Pn500 to Pn502) is
not appropriate.
·
Set the electronic gear
ratio numerator so that the
command pulse frequency
is 500 Kpps max.
28
Pulse regeneration
error
Occurs during operation.
· The pulse regeneration
output frequency
exceeded the limit.
· Check the set value of
Pn011 and Pn503.
· Set Pn533 to 0 to
disable the function.
29 Error counter overflow Occurs during operation.
· The error counter value
for the encoder pulse
reference exceeded
2
29
(536,870,912).
· Check that the motor
rotates according to
the position command.
· Check on the torque
monitor that the output
torque is not saturated.
· Adjust the gain.
· Increase the setting for
Pn013 or Pn524 to the
maximum.
·
Wire the encoder correctly.
30 Safety input error Occurs during operation.
· Safety input signal
turned OFF.
· Check the statuses of
safety inputs 1 and 2.
33
Interface I/O allocation
error
Occurs when the power
supply is turned ON.
· There is a duplicate
setting in the I/O signal
function allocation.
·
Specify the undefined
number with the I/O
signal function allocation.
· Set the function
allocation correctly.
·
There is a mistake in the
counter function allocation.
· Allocate to SI7.
·
There is a mistake in the
command pulse prohibition
input function allocation.
· Allocate to SI10.
Alarm
display
Error conditions
Status when error
occurs
Cause Measures
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