Chapter 11 Troubleshooting; Fault Messages Table - Delta ASDA-A2 Series User Manual

If a fault is detected on the servo motor or drive, 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.

11.1 Fault Messages Table

Servo Drive Fault Messages
Display
Overcurrent
Overvoltage
Undervoltage
Motor error
Regeneration error
Overload
Overspeed
Abnormal pulse control
command
Excessive deviation
Reserved
Encoder error
Adjustment error
Emergency stop
activated
Reverse limit switch
error
Forward limit switch
error
IGBT temperature error The temperature of IGBT is over high.
Memory error
Revision April, 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.
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.
EE-PROM write-in and read-out is in error.

Chapter 11 Troubleshooting

Fault Description
11-1