The Up Limit Switch Drops Off

What does 03 mean?

This error occurs when both the Up and Down Limit switches are activated simultaneously while the car is not at the top floor during normal service, or when the Up Limit switch activates incorrectly during an upward travel. This indicates a conflict in position detection or a faulty limit switch component.

• Both Up and Down Limit switches are activated concurrently when the car is not positioned at the top floor.
• The Up Limit switch activates erroneously during the car's upward movement.
• Malfunction, damage, or incorrect installation of the Up Limit switch.

Click steps to track your progress.

1. 1

   Verify the physical position and functionality of both the Up Limit and Down Limit switches.

2. 2

   Inspect the wiring to the Up Limit switch for continuity and proper secure connection.

3. 3

   Check if the car is correctly positioned; if it is not at the top floor, investigate why the Up Limit switch is active.