The Lock Drops off in Operation (Emergency Stop)

What does 02 mean?

This error indicates that the door lock safety circuit is active during lift operation, suggesting a loss of the lock signal even though the safety circuit itself is present. This condition typically triggers an emergency stop of the lift, prioritizing passenger safety.

• The lock signal is unexpectedly lost while the lift is in operation.
• Intermittent connection or fault within the safety circuit related to the door lock.
• Malfunctioning door lock contacts failing to maintain engagement.

Click steps to track your progress.

1. 1

   Inspect the entire safety circuit related to the door lock for any intermittent connections, loose wiring, or damaged components.

2. 2

   Verify the door lock contacts for proper engagement, ensuring they are clean and free from obstruction.

3. 3

   Check for any external interferences that might cause momentary disengagement of the door lock signal.