Omron ACCURAX G5 User Manual page 500

11-4 Troubleshooting
Alarm
Error conditions
display
Encoder
21
communications error
Encoder
23 communications data
error
24 Error counter overflow
11
Excessive hybrid
25
deviation error
11-14
Status when error
occurs
Occurs during operation.
Occurs when the power
supply is turned ON.
Or, occurs during
operation.
Occurs when the motor
does not rotate even when
command pulses are
input.
Occurs during high-speed
rotation.
Occurs when a long string
of command pulses is
given.
Occurs during operation.
Occurs for full closing
control.
Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
Cause
· The encoder is
· Fix the locations that
disconnected.
· Connector contacts
· Wire correctly.
are faulty.
· The encoder is wired
· Wire correctly.
incorrectly.
· The encoder is damaged. · Replace the motor.
· The driver is faulty. · Replace the driver.
· The motor is · If the motor shaft is
mechanically held.
· The encoder signal line
· Wire correctly.
is wired incorrectly.
· Noise on the encoder wiring · Take measures against
causes incorrect operation.
· The encoder power
· Provide the required
supply voltage has
dropped (especially
when the cable is long.)
· The motor power line or the
· Wire correctly.
encoder wiring is incorrect.
· If the motor shaft is
· The motor is
mechanically held. · Release the
· Control PCB error · Replace the driver.
· The motor power line
or the encoder wiring is · Wire correctly.
incorrect.
· Gain adjustment is
· Adjust the gain.
insufficient.
· The acceleration/ · Extend the acceleration/
deceleration is too rapid.
· Reduce the load.
· The load is too large.
· Select a suitable motor.
· Increase the set value
· The set value for the
Error Counter Overflow · Reduce the rotation speed.
Level (Pn014) is · Reduce the load.
exceeded. · Extend the acceleration/
· There is deviation · Check the motor and
between the load
position according to · Check the external scale
the external scale and
the motor position · Check the external scale
according to the
encoder.
Measures
are disconnected.
held, release it.
noise on the encoder wiring.
encoder power supply
voltage (5 VDC ± 5%).
held, release it.
electromagnetic brake.
deceleration times.
of Pn014.
deceleration times.
load connection.
and driver connection.
load position and encoder
motor position settings.