User manual
ASDA-A User Manual Chapter 10 Troubleshooting
© DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED 4th Edition 2005/11/30, HE03
10-1
Chapter 10 Troubleshooting
10-1 Fault Messages Table
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.
Fault Messages
Display Fault Name Fault Description
Overcurrent
Main circuit current is higher than 1.5 multiple of motor’s
instantaneous maximum current value.
Overvoltage Main circuit voltage has exceeded its maximum allowable value.
Undervoltage Main circuit voltage is below its minimum specified value.
Motor overheated
The motor’s operating temperature is higher than the upper-limit
of the specification.
Regeneration error Regeneration control operation is error.
Overload Servo motor and drive is overload.
Overspeed Motor’s control speed exceeds the limit of normal speed.
Abnormal pulse control
command
Input frequency of pulse command exceeds the limit of its
allowable setting value.
Excessive deviation
Position control deviation value exceeds the limit of its allowable
setting value.
Watch dog execution time
out
Watch dog execution time out.
Encoder error Pulse signal is error.
Adjustment error
Adjusted value exceeds the limit of its allowable setting value
when perform electrical adjustment.
Emergency stop activated Emergency stop switch is disabled.
Reverse limit switch error Reverse limit switch is disabled.
Forward limit switch error Forward limit switch is disabled.
IGBT temperature error Temperature of IGBT is over high.
Memory error EE-PROM write-in and read-out is error.
DSP communication error DSP communication is error.
Serial communication error RS232/485 communication is error.
Serial communication time
out
RS232/485 communication time out.
Command write-in error Control command write-in error.
Input power phase loss One phase of the input power is loss.