Delta ASDA-B2 Series User Manual page 96

ASDA-B2
(4) When the screen displays:
Warning of negative limit error:
Please check if any of the digital input DI1 ~ DI9 is set to negative limit (NL) and
that DI is ON.
Corrective actions:

If not desire to set negative limit (NL) as one of the digital input, make sure no
digital input is set to negative limit (NL) among DI1 ~ DI9. (That is to say none
of the parameters, P2-10 ~ P2-17 and P2-36 is set to 22.)
 If the function of negative limit (NL) is needed and this DI is set as normally
close (function code: 0x0022), please make sure this DI is always normally
close. If not, please set this DI as normally open (function code: 0x0122).
(5) When the screen displays:
Warning of positive limit error:
Please check if any of the digital input DI1~DI9 is set positive limit (PL) and that DI
is ON.
Corrective actions:

If not desire to set positive limit (PL) as one of the digital input, make sure no
digital input is set to positive limit (PL) among DI1 ~ DI9. (That is to say none
of the parameters, P2-10 ~ P2-17 and P2-36 is set to 23.)

If the function of positive limit (PL) is needed and this DI is set as normally
close (function code: 0x0023), please make sure this DI is always normally
close. If not, please set this DI as normally open (function code: 0x0123).
(6) When the screen displays:
Warning of over current:
Corrective actions:

Check the connection between the motor and servo drive.

Check if the conducting wire is short circuited.
Exclude short circuit and avoid metal conductors being exposed.
Revision May, 2018
Chapter 5 Trial Operation and Tuning
5-5