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ErrorLib — Industrial Fault Code Library

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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. 1

    Inspect the cash box door and latching mechanism for proper closure and physical damage.

  2. 2

    Locate and Inspect the cash box open/close sensor for physical damage, misalignment, or obstructions.

  3. 3

    Check the wiring and connections between the cash box sensor to the elevator control unit for integrity and tightness.

  4. 4

    Verify the cash box sensor's input status on the elevator diagnostic interface or HMI while manually operating the cash box door.

Browse all codes in this manual (41)
Verified technical data. Last updated: April 2026

Related Faults

Bill JamBill JamBill MotorBill Validator Motor DefectiveBill SensorBill Sensor Error
Source: Otis 400 Elevator
Open Manual (Page 21)Search more codes in this manual