ABB ACS355 User Manual page 177

Actual signals and parameters 177
1103 REF1 SELECT. That would mean a mismatched duplicate functionality for DI3
and DI4: either constant speed or acceleration and deceleration. The function that is
not required must be disabled. In this case the constant speed selection must be
disabled by setting parameter 1201 CONST SPEED SEL to NOT SEL or to values
not related to DI3 and DI4.
Remember to also check the default values of the selected macro when configuring
the drive inputs.