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9. TROUBLESHOOTING
9.3 Remedies for warnings
CAUTION
If an absolute position counter warning (AL.E3) occurred, always to make home
position setting again. Not doing so may cause unexpected operation.
POINT
When any of the following alarms has occurred, do not resume operation by
switching power of the driver OFF/ON repeatedly. The driver and servo motor may
become faulty. If the power of the driver is switched OFF/ON during the alarms,
allow more than 30 minutes for cooling before resuming operation.
Excessive regenerative warning (AL.E0)
Overload warning 1 (AL.E1)
If AL.E6 or AL.EA occurs, the servo off status is established. If any other warning occurs, operation can be
continued but an alarm may take place or proper operation may not be performed.
Remove the cause of warning according to this section. Use the software (MR Configurator2
TM
) to refer to a
factor of warning occurrence.
Display
Name
Definition
Cause
Action
AL.92 Battery cable
disconnection
warning
Absolute position
detection system battery
voltage is low.
1. Battery cable is open.
Repair cable or changed.
2. Battery voltage supplied from the driver
to the encoder fell to about 3V or less.
(Detected with the encoder)
Change the battery.
3. An encoder cable is broken.
Repair or replace the encoder
cable.
AL.96 Home position
setting warning
Home position setting
could not be made.
1. The position is out of in-position range
at the home position setting.
Set the home position within the
in-position range.
2. A command pulse is input during the
home position setting.
Input the command pulse after
the home position setting.
3. Creep speed high.
Reduce creep speed.
AL.99 Stroke limit
warning
The stroke end (LSP or
LSN) of the direction
which gave instructions
was turned off.
The forward rotation stroke end (LSP) is
turned off at the forward rotation
command.
Review the moving range to
avoid turning off LSP/LSN.
The reverse rotation stroke end (LSN) is
turned off at the reverse rotation
command.
AL.9F Battery warning
Voltage of battery for
absolute position detection
system reduced.
Battery voltage fell to 3.2V or less.
(Detected with the driver)
Change the battery.
AL.E0 Excessive
regenerative
warning
There is a possibility that
regenerative power may
exceed permissible
regenerative power of
built-in regenerative
resistor or regenerative
option.
Regenerative power increased to 85
or
more of permissible regenerative power of
built-in regenerative resistor or
regenerative option.
<Checking method>
Call the status display or software (MR
Configurator2
TM
), and check
regenerative load ratio.
1. Reduce frequency of
positioning.
2. Change the regenerative
option for the one with larger
capacity.
3. Reduce load.
4. Replace the driver / servo
motor with one of larger
capacity.
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 ...