EL
ErrorLib
Brands
||
  1. Home
  2. Otis
  3. 400 Elevator
  4. Excessive Escrow
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.

Excessive Escrow

Excessive Escrow Attempts

Otis · 400 Elevator

What does Excessive Escrow mean?

Indicates that more than 255 escrow attempts have occurred since the last coin was successfully accepted. This could be due to repeated coin rejections, a sensor issue, or an obstruction in the escrow path.

Common Causes

  • Repeated coin rejections or inability to complete coin acceptance.
  • Sensor malfunction in the escrow mechanism.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect door tracks, sills, and safety edges for any physical obstructions or debris.

  2. 2

    Verify the proper operation and alignment of door zone sensors, safety sensors, and leveling sensors.

  3. 3

    Check the elevator control system's diagnostic logs for repeated door open/close attempts, leveling failures, or related sensor faults.

  4. 4

    Measure the supply voltage to the door controller and primary elevator control unit to ensure stable power delivery.

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 20)Search more codes in this manual