EL
ErrorLib
Brands
||
  1. Home
  2. Otis
  3. 400 Elevator
  4. Health Safety Failed
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

Health Safety Failed

Health Safety Limit Violated

Otis · 400 Elevator

What does Health Safety Failed mean?

Indicates that the health safety limit temperature has been violated. This is a critical error, as it means the product storage temperature has exceeded safe limits, potentially compromising product integrity and safety regulations.

Common Causes

  • Internal temperature exceeding the defined health safety limit for an unacceptable period.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify actual ambient temperature in the elevator machine room and control cabinet using a calibrated external thermometer.

  2. 2

    Check the reported temperature value from the elevator HMI or diagnostic interface against the externally measured ambient temperature.

  3. 3

    Inspect all cooling fans, ventilation grilles, and air filters within the elevator control cabinet and machine room for proper operation, blockages, or excessive dust accumulation.

  4. 4

    Verify the 'Health Safety Limit' temperature parameter setting within the elevator's control system against the manufacturer's specified operational limits.

  5. 5

    Inspect the wiring and mounting of the temperature sensor responsible for the 'Health Safety Limit' for damage, loose connections, or improper placement.

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
Open Manual (Page 21)Search more codes in this manual