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ErrorLib — Industrial Fault Code Library

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Disconnected Acceptor

Coin Acceptor Disconnected

Otis · 400 Elevator

What does Disconnected Acceptor mean?

Indicates that the coin acceptor is unplugged, leading to a complete inability to receive and validate coins. This will prevent any coin-based transactions.

Common Causes

  • The coin acceptor is physically disconnected or unplugged.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the physical connection of the coin acceptor cable at both the acceptor unit and the main control board for secure seating and any signs of dislodgement.

  2. 2

    Inspect the coin acceptor's wiring harness for visible damage, cuts, or pinched sections from the acceptor to the control panel.

  3. 3

    Measure the supply voltage at the coin acceptor's connector pins (if accessible) to verify it meets the specified operational voltage as per the Otis 400 documentation.

  4. 4

    Check the Otis 400 elevator's diagnostic interface or service tool for the coin acceptor's status, looking for specific error codes or I/O states that indicate a 'disconnected' status.

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
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