Chapter 10 Troubleshooting ASDA-M
10-12 Revision December, 2014
10.4 Causes and Corrective Actions
Alarm Display
AL001
: Overcurrent
Causes Checking Method Corrective Actions
The drive output is
short-circuit
Check if the wiring between the
motor and the drive is correct and
see if the wire is short-circuited.
Eliminate short-circuit and avoid
metal conductor being exposed.
The motor wiring is in
error.
Check if the wiring steps are
correct when connecting the
motor to the drive.
Rewiring by following the wiring
description from the user
manual.
IGBT is abnormal The temperature of the heat sink
is abnormal
Send the drive back to the
distributors or contact with Delta.
The control parameter
setting is in error.
Check if the setting value
exceeds the default setting
Setting back to the default
setting and then gradually adjust
the value.
Unreasonable
command
Check if the command doing
reasonable acceleration time.
Less steep command used or
filter applying to smooth
command.
AL002: Overvoltage
Causes Checking Method Corrective Actions
The input voltage of the
main circuit is higher
than the rated
allowable voltage.
Use the voltmeter to see if the
input voltage of the main circuit is
within the rated allowable voltage
value. (please refer to Chapter
12.1)
pply to the correct power
supply or serial voltage
regulator.
Wrong power input
(incorrect power
system)
Use the voltmeter to see if the
power system matches the
specification.
pply to the correct power
supply or serial adaptor.
The hardware of the
servo drive is
damaged.
Use the voltmeter to see if the
input voltage of the main circuit is
within the rated allowable voltage
value but still shows the error.
Send the drive back to the
distributors or contact with Delta.
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