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11-4 Troubleshooting: Alarm Display Error Conditions Status When Error Occurs Cause Measures

The document summarizes troubleshooting information for an encoder communications error, including possible error conditions, causes, and measures to address the issues. It lists several error codes, the conditions under which they occur, potential causes such as wiring issues, mechanical problems with the motor or load, and recommended solutions like replacing faulty components, correcting wiring, or adjusting settings.

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Dominique Komey
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71 views1 page

11-4 Troubleshooting: Alarm Display Error Conditions Status When Error Occurs Cause Measures

The document summarizes troubleshooting information for an encoder communications error, including possible error conditions, causes, and measures to address the issues. It lists several error codes, the conditions under which they occur, potential causes such as wiring issues, mechanical problems with the motor or load, and recommended solutions like replacing faulty components, correcting wiring, or adjusting settings.

Uploaded by

Dominique Komey
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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11-4 Troubleshooting

Alarm Status when error


Error conditions Cause Measures
display occurs

· The encoder is
· Fix the locations that
disconnected.
are disconnected.
· Connector contacts
· Wire correctly.
are faulty.

· The encoder is wired


Encoder · Wire correctly.
21 Occurs during operation. incorrectly.
communications error
· The encoder is damaged. · Replace the motor.

· The driver is faulty. · Replace the driver.

· The motor is · If the motor shaft is


mechanically held. held, release it.

· The encoder signal line


· Wire correctly.
is wired incorrectly.

Occurs when the power · Noise on the encoder wiring · Take measures against
Encoder
supply is turned ON. causes incorrect operation. noise on the encoder wiring.
23 communications data
Or, occurs during
error · The encoder power
operation. · Provide the required
supply voltage has
encoder power supply
dropped (especially
voltage (5 VDC  5%).
when the cable is long.)

· The motor power line or the


· Wire correctly.
encoder wiring is incorrect.
Occurs when the motor
· If the motor shaft is
does not rotate even when
· The motor is held, release it.
command pulses are
mechanically held. · Release the
input.
electromagnetic brake.

· Control PCB error · Replace the driver.

· The motor power line


Occurs during high-speed
or the encoder wiring is · Wire correctly.
rotation.
incorrect.

24 Error counter overflow · Gain adjustment is


· Adjust the gain.
11 insufficient.
Occurs when a long string
· The acceleration/ · Extend the acceleration/
of command pulses is
deceleration is too rapid. deceleration times.
given.
Error and Maintenance

· Reduce the load.


· The load is too large.
· Select a suitable motor.

· Increase the set value


· The set value for the of Pn014.
Error Counter Overflow · Reduce the rotation speed.
Occurs during operation.
Level (Pn014) is · Reduce the load.
exceeded. · Extend the acceleration/
deceleration times.

· There is deviation · Check the motor and


between the load load connection.
position according to · Check the external scale
Excessive hybrid Occurs for full closing
25 the external scale and and driver connection.
deviation error control.
the motor position · Check the external scale
according to the load position and encoder
encoder. motor position settings.

11-14 Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL

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