Delta ASD-B2-0121-B User Manual page 278

Potential Cause
The setting value of
hidden parameter is in
error.
Data in EE-PROM is
damaged.
: Encoder output error
Potential Cause
Encoder itself or the
wiring of encoder is in
error.
The output frequency
for pulse output may
exceed the limit of its
allowable setting
value.
: Serial communication error
Potential Cause
Communication
parameter setting is
defective.
Communication
address is incorrect.
Communication value
is incorrect.
Revision June 2010
Checking Method
Press SHIFT key on the drive keypad
and examine if E100X is displayed on
LED display.
Press SHIFT key on the drive keypad
and examine if E0001 is displayed on
LED display.
Checking Method
Check if the recent fault records (P4-
00 ~ P4-05) display on the drive
keypad in accordance with the fault
codes AL011, AL024, AL025 and
AL026.
Check if the following conditions
occur:
Condition 1: Motor speed is above the
value set by P1-76.
Condition 2:
Motor Speed
× − ×
P 1 46 4
60
Checking Method
Check the communication parameter
setting.
Check the communication address.
Check the communication value.
If this fault occurs when
resetting the parameter
settings, it indicates that the
servo drive type is not set
correctly. Correctly set the
servo drive type again.
If this fault occurs when power
is applied to the drive, it
indicates that the data in EE-
RPM is damaged or there is no
data in EE-PROM. Please
contact your distributor for
assistance or contact with
Delta.
Perform the corrective actions
as described in AL011, AL024,
AL025 and AL026.
Correctly set P1-76 and P1-46.
1. Ensure that the motor speed
is below the value set by P1-
76.
2.
Motor
> × 6
19.8 10
Correctly set parameter
setting.
Correctly set communication
address.
Correctly set communication
value.
Chapter 10 Troubleshooting
Corrective Actions
Corrective Actions
Speed
× − × <
P 1 46 4 19.8
60
Corrective Actions
×
6
10
10-7