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ErrorLib — Industrial Fault Code Library

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Changer Inlet

Changer Inlet No Coins Sensed

Otis · 400 Elevator

What does Changer Inlet mean?

Indicates that no coins have been sensed by the coin acceptor for over 96 hours. This may be due to a blocked inlet, a faulty acceptor, or a lack of use, preventing coin acceptance.

Common Causes

  • No coins detected by the coin acceptor for an extended period (over 96 hours).
  • Blocked coin inlet or a faulty coin acceptor.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the coin acceptor's inlet and internal coin path for any physical obstructions, foreign objects, or debris.

  2. 2

    Verify the power supply voltage to the coin acceptor module against the manufacturer's specified nominal values.

  3. 3

    Check all data and power cabling connections between the coin acceptor and the main control unit for proper seating, damage, or corrosion.

  4. 4

    Perform a functional test by inserting a known good coin to observe if the acceptor registers the transaction or provides any diagnostic feedback.

  5. 5

    Verify system configuration parameters related to the coin acceptor operation (e.g., enable/disable status, coin type recognition) within the main control unit's interface.

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

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Bill JamBill JamBill MotorBill Validator Motor DefectiveBill SensorBill Sensor Error
Source: Otis 400 Elevator
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