Chapter 9 Troubleshooting ASDA-B2
9-14 Revision May, 2018
AL085: Regeneration error
Causes Checking Method Corrective Actions
Choose wrong
regenerative resistor or
does not connect to
external regenerative
resistor
Check the connection of
regenerative resistor.
Calculate the value of the
regenerative resistor again
and correctly set the value of
P1-52 and P1-53. If issue
persists, please send the
drive back to the distributors
or contact Delta.
Parameter P1-53 is not
set to zero when the
regenerative resistor is
not in use.
Check if parameter P1-53 of
regenerative resister is set to zero.
Set parameter P1-53 of
regenerative resistor to zero
when it is not applying.
Wrong parameter
setting
Check the setting value of
parameter P1-52 and P1-53.
Correctly reset the value of
P1-52 and P1-53.
AL099: DSP firmware upgrade
Causes Checking Method Corrective Actions
Upgrade DSP firmware Check if the firmware is upgraded.
Firstly set P2-08 to 30.
Then set P2-08 to 28, the
alarm will be cleared when
re-power on.
AL555: System failure
Causes Checking Method Corrective Actions
DSP processing error
N/A
If AL555 occurs, do not do
any anything and send the
drive back to the distributors
or contact Delta.
AL880: System failure
Causes Checking Method Corrective Actions
DSP processing error
N/A
If AL880 occurs, do not do
any anything and send the
drive back to the distributors
or contact Delta.
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