For Belimo Tri-State motors with ASCs

Issue

The Actuator is responding as though it is receiving a continuous signal from the ASC.

Product Line

TAC I/NET

Environment

  • I/NET software all versions
  • I/NET ASC controllers

Cause

The triac device on these ASCs have a bleed voltage value even though the signal is in the Off mode. Thus causing the motor to drive to one end of the stroke and stop.

Resolution

See Tech Tip No. G075 which describes a procedure to correct this issue.