Chapter 10 TroubleshootingASDA-A2R Series
10-16 Revision December, 2014
：Main circuit power leak phase
Causes Checking Method Corrective Actions
The main circuit power
is abnormal
Check if RST power cable is
loose or does not connect to the
power. This alarm occurs when
no power connects to 3-phase for
under 1.5 kW (included) servo
drive. No power connects to
single phase for 2 kW (included
or above) servo drive, this alarm
occurs.
Make sure it applies to the
power. If issue persists, please
send the drive back to the
distributors or contact with Delta.
：Early warning for overload
Causes Checking Method Corrective Actions
Early warning for
overload
1. Check if it is used in overload
condition.
2. Check if the value of
parameter P1-56 is set to
small.
1. Please refer to the corrective
actions of AL006.
2. Please increase the setting
value of parameter P1-56. Or
set the value over 100 and
deactivate the overload
warning function.
：Encoder initial magnetic field error
Causes Checking Method Corrective Actions
The initial magnetic
field is of the encoder
in error
(Signal, U, V, W of the
encoder magnetic field
is in error.)
1. Check if the servo is properly
grounded.
2. Check if the encoder cable
separates from the power
supply or the high-current
circuit to avoid the
interference.
3. Check if the shielding cables
are used in the wiring of the
encoder.
4. If it connects to Hall sensor,
please check the wiring of Hall
sensor.
If issue persists, please send the
drive back to the distributors or
contact with Delta.
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