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9. TROUBLESHOOTING
Display
Name
Definition
Cause
Action
(Note 2)
Alarm details
AL.50 Overload 1
Load exceeded
overload protection
characteristic of
driver.
1. Driver is used in excess of its
continuous output current.
1. Reduce load.
2. Check operation pattern.
3. Check that the
electromagnetic brake is
not applied.
4. Check that the machine is
not fractioned.
5. Use servo motor and
driver that provides larger
output.
1
2. After Overload 2 (AL.51) occurred,
turn OFF/ON the power supply to clear
the alarm. Then the overload operation
is repeated.
1. Reduce load.
2. Check operation pattern.
3. Use servo motor that
provides larger output.
1
3. The servo system is instable and
causes oscillation or hunting.
1. Repeat acceleration/
deceleration to execute
auto tuning.
2. Change the auto tuning
response setting.
3. Set auto tuning to OFF
and make gain
adjustment manually.
4. Check that the coupling
with the servo motor shaft
is not loose.
1, 2
4. Encoder fault.
<Checking method>
When the servo motor shaft is rotated
with the servo off, the cumulative
feedback pulses do not vary in
proportion to the rotary angle of the
shaft but the indication skips or returns
midway.
Change the servo motor.
Содержание LECSB Series
Страница 1: ...PRODUCT NAME AC Servo Motor Driver MODEL Series LECSB Series Doc no JXC OMT0021 B ...
Страница 17: ...7 App 6 Compliance with the European EC directives App 7 App 7 Conformance with UL C UL standard App 10 ...
Страница 255: ...10 1 10 OUTLINE DRAWINGS 10 OUTLINE DRAWINGS 2 10 1 Driver 2 10 2 Connector 4 ...