Revision September 2013 9-1
Chapter 9 Troubleshooting
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.
9.1 Fault Messages Table
Servo Drive Fault Messages
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 error
The motor does not match the drive. They are not
correctly matched for size (power rating).
Regeneration error Regeneration control operation is in 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.
Reserved Reserve
Encoder error Pulse signal is in error.
Adjustment error
Adjusted value exceeds the limit of its allowable setting
value when perform electrical adjustment.
Emergency stop
activated
Emergency stop switch is activated.
Reverse limit switch
error
Reverse limit switch is activated.
Forward limit switch
error
Forward limit switch is activated.
IGBT temperature error The temperature of IGBT is over high.
Memory error EE-PROM write-in and read-out is in error.
VARITEL INGENIERIA ELECTRONICA S.A.
info@varitel.com - www.varitel.com - Tel. (54) 11-4243-1171 / Fax: (54) 11-4292-7545
Manuel Baliña 456, Lomas de Zamora (B1832CCJ) Buenos Aires, Argentina.
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