Open Cash Box
Cash Box Open
Otis · 400 Elevator
What does Open Cash Box mean?
Indicates that the cash box is detected as open. This is typically a security alert or an indication that the cash box sensor is faulty, preventing secure operation.
Common Causes
- The cash box is physically open.
- Malfunction of the cash box sensor.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect the cash box door and latching mechanism for proper closure and physical damage.
- 2
Locate and Inspect the cash box open/close sensor for physical damage, misalignment, or obstructions.
- 3
Check the wiring and connections between the cash box sensor to the elevator control unit for integrity and tightness.
- 4
Verify the cash box sensor's input status on the elevator diagnostic interface or HMI while manually operating the cash box door.
Verified technical data. Last updated: March 2026
Related Faults
Source: Otis 400 Elevator