EL
ErrorLib
Brands
||
  1. Home
  2. Otis
  3. 400 Elevator
  4. Bill Sensor
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

Bill Sensor

Bill Sensor Error

Otis · 400 Elevator

What does Bill Sensor mean?

Indicates a bill sensor error within the bill validator. This affects the detection and validation of banknotes, potentially causing bills to be rejected or miscounted.

Common Causes

  • A malfunction of a sensor within the bill validator.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the input power supply voltage to the bill validator module is within specified operational limits.

  2. 2

    Inspect all data and power cabling between the elevator control unit and the bill validator, including internal connections to the bill sensor, for damage or loose connections.

  3. 3

    Check the bill feed path and the bill sensor aperture for any physical obstructions, debris, or excessive dirt, and clean thoroughly as required.

  4. 4

    Verify the bill validator's configuration parameters and sensor calibration settings within the Otis 400 elevator's control system or diagnostic tool.

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

Related Faults

Bill JamBill JamBill MotorBill Validator Motor DefectiveBill Stacker FullBill Stacker Full
Source: Otis 400 Elevator
Open Manual (Page 21)Search more codes in this manual