Low Acceptance
Low Coin Acceptance Rate
Otis · 400 Elevator
What does Low Acceptance mean?
Indicates a low coin acceptance rate, specifically that more than 20% of the last 255 coins processed were identified as slugs. This suggests issues with coin validation or slug detection.
Common Causes
- High percentage of rejected coins (slugs) by the coin acceptor.
- Malfunction of coin validation sensors or algorithms.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect the coin acceptance mechanism's physical chute, sensors, and coin path for obstructions, dirt, or damage.
- 2
Verify the power supply voltage to the coin validation module according to the manufacturer's specifications.
- 3
Check all cabling and connectors between the coin validation module and the main elevator control system for secure fit and integrity.
- 4
Verify the coin acceptance parameters (e.g., coin denominations, acceptance thresholds) in the elevator's system configuration or HMI.
Verified technical data. Last updated: March 2026
Related Faults
Source: Otis 400 Elevator