What are elevator operation fault codes?

Elevator operation fault codes can vary depending on different elevator brands and models. Here are some common elevator operation fault code examples:

1. E1 or ERR1: Door lock malfunction, the elevator can't close or open normally.

2. E2 or ERR2: Elevator speed sensor malfunction, resulting in abnormal speed detection.

3. E3 or ERR3: The elevator car is overloaded, exceeding the rated weight limit.

4. E4 or ERR4: The elevator door machine is faulty, the door cannot be opened and closed normally.

5. E5 or ERR5: The elevator speed limiter is faulty, the speed limiter is not working.

6. E6 or ERR6: Elevator buffer malfunction, buffer abnormal or damaged.

7. E7 or ERR7: The elevator emergency stop button is triggered, causing the elevator to stop running.

8. E8 or ERR8: Elevator power supply failure, power supply is abnormal.

These are just some examples of common elevator fault codes, and the specific fault codes will vary depending on the elevator equipment. When an elevator malfunctions, a fault code or fault message is usually displayed to help maintenance personnel quickly locate and resolve the fault.