Coin Jam

Coin Jam

Otis · 400 Elevator

What does Coin Jam mean?

Indicates a general coin jam within the changer mechanism, obstructing the coin path and preventing normal operation of coin acceptance or dispensing.

Common Causes

  • A physical jam of coins within the coin changer mechanism.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the coin changer mechanism's coin path and coin return slot for visible foreign objects or jammed coins.

  2. 2

    Verify the input supply voltage to the coin changer module is within specified limits at its terminal block.

  3. 3

    Inspect all data and power cabling connected to the coin changer module for damage, loose connections, or corrosion.

  4. 4

    Check the associated diagnostic interface or parameters on the Otis 400 elevator's control panel for specific status related to the coin changer module's operation.

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Verified technical data. Last updated: March 2026

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