Anti Creeping Switch Operated

What does >ACS is on ! mean?

This blinking event message indicates that the Anti Creeping Switch (ACS) is in an operated state, which has blocked the elevator. The ACS is a safety device designed to prevent unintended movement of the car when it is at a landing.

• Mechanical actuation of the Anti Creeping Switch due to minor car movement or incorrect leveling.
• Faulty Anti Creeping Switch wiring or internal failure.
• Misalignment of the ACS triggering mechanism.

Click steps to track your progress.

1. 1

   Verify the elevator car is correctly leveled at the landing.

2. 2

   Inspect the Anti Creeping Switch (ACS) for mechanical damage, obstruction, or misalignment.

3. 3

   Check the wiring to the ACS for continuity and secure connections.

4. 4

   Measure the state of the ACS contact using a multimeter to confirm open/closed status.