Fault Messages Table; Servo Drive Fault Messages; Chapter 10 Troubleshooting - Delta ASD-B2-0121-B User Manual

If a fault is detected on the servo drive or motor a corresponding fault code will be shown on
the drive's LED display. Fault codes can also be transmitted via communication, see P0-01 and
P4-00 ~ P4-04 for display on controller or HMI.

10.1 Fault Messages Table

Servo Drive Fault Messages

Display
Overcurrent
Overvoltage
Undervoltage
Motor error
Regeneration error
Overload
Overspeed
Abnormal pulse
control command
Excessive deviation
Reserve
Encoder error
Adjustment error
Emergency stop
activated
Reverse limit switch
error
Forward limit switch
error
Revision June 2010
Fault Messages
Fault Name
Main circuit current is higher than 1.5 multiple of
motor's instantaneous maximum current value.
Main circuit voltage has exceeded its maximum
allowable value.
Main circuit voltage is below its minimum specified
value.
The motor does not match the drive. They are not
correctly matched for size (power rating).
Regeneration control operation is in error.
Servo motor and drive is overload.
Motor's control speed exceeds the limit of normal
speed.
Input frequency of pulse command exceeds the limit of
its allowable setting value.
Position control deviation value exceeds the limit of its
allowable setting value.
Reserve
Pulse signal is in error.
Adjusted value exceeds the limit of its allowable setting
value when perform electrical adjustment.
Emergency stop switch is activated.
Reverse limit switch is activated.
Forward limit switch is activated.

Chapter 10 Troubleshooting

Fault Description
10-1