Bill Jam

Bill Jam

Otis · 400 Elevator

What does Bill Jam mean?

Indicates a bill jam error within the bill validator. This obstruction in the banknote path prevents the validator from accepting or processing bills, leading to transaction failure.

Common Causes

  • A physical jam of banknotes within the bill validator mechanism.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the banknote entry slot and path within the bill validator for visible obstructions or foreign objects.

  2. 2

    Carefully open the bill validator's access panel (if available) and remove any jammed banknotes, torn pieces, or debris from the banknote path.

  3. 3

    Inspect all banknote path sensors (e.g., optical sensors) for cleanliness, alignment, and proper function after clearing the jam.

  4. 4

    Verify that all rollers, belts, and moving components within the banknote transport path operate freely and without binding.

  5. 5

    Execute a bill validator self-test or diagnostic cycle via the service interface to confirm operational readiness and clear the error.

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Verified technical data. Last updated: March 2026

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