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9. TROUBLESHOOTING
Display
Name
Definition
Cause
Action
(Note 2)
Alarm details
AL.16 Encoder error 1
(At power on)
Communication
error occurred
between encoder
and driver.
1. Encoder connector (CN2)
disconnected.
Connect correctly.
44
2. Encoder cable type (2-wire, 4-wire)
selection was incorrect in parameter
setting.
Correct the setting in the
fourth digit of parameter No.
PC22.
3. Encoder cable faulty
(Wire breakage or shorted)
Repair or change the cable.
4. Encoder fault
Change the servo motor.
5. A servo motor other than that of
LECSB
□
-
□
series is connected.
Check the combination of
the driver and the servo
motor.
63
6. A communication error occurred due
to external noise.
<Checking method>
1. Check that the encoder cable and
the power cables are wired side by
side.
2. Check that the driver is not
influenced by noise of magnetic
valves, magnetic contactors or
relays.
3. Check the grounding of the driver
and the servo motor.
4. Check that there is no cause of
static electricity around.
5. Check that the shield of the encoder
cable is made correctly.
Ground correctly or take
noise reduction measures.
AL.17 Board error
CPU/parts fault
Faulty parts in the driver
<Checking method>
Alarm (AL.17 or AL.19) occurs if power is
switched on after disconnection of all
cables but the control circuit power supply
cable.
Change the driver.
AL.19 Memory error 3
(Flash ROM)
ROM memory fault
AL.1A Motor
combination
error
Incorrect
combination of
driver and servo
motor.
Incorrect combination of driver and servo
motor connected.
Check the combination of
the driver and 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 ...