Elevator Landing Door Running Fault and Troubleshooting:
Sometimes we can solve the elevator faults by the sound from the landing door opening or closing.Today, we will take you to judge the common door operation faults by “Hearing”.
- Shaking soundwhen landing door running.
Reasons:
①The elevator door sill guide rails gather dust.
②There are objects in the sill groove.
Troubleshooting:
①Clean and smooths the rails
②Remove the objects in the sill groove.
- A “Squeak” sound is gave out when the door is to close
Reason:
Generally, the hall doors and auxiliary doors are plug-in type, and a “Squeak” noise is generated when the contacts are in contact.
Troubleshooting:
Adjust the contacts to avoid friction with other parts.
- A“Clicking” sound when the door is opened
Reasons:
①The landing door rubs against the sill or the fire edge of the hall door rubs against the door jamb.
②The landing door anti-collision rubber strip rubs against the sill.
③The landing door wire rope is bending. It jumps and rubs against the door lock box when the door running.
Troubleshooting:
①Adjust the gap between the hall door and the sill.
②Tighten the connecting bolts between the door jamb and the upper sill.
③Fix the landing door anti-collision rubber strip.
④Adjust or replace the landing door wire rope.
- “Buzz” or “Clicking” sound when door opening or closing.
Reasons:
①The gap between the hanging door panel eccentric wheel and the door upper sill is too wide or narrow.
②The door operator cam rubs against the contact
③The door motor bearing is damaged.
Troubleshooting:
①Adjust the gap between the eccentric wheel and the upper sill to be 0.2-0.5mm.
②Make the door operator cam smooth.
③Replace the door motor.
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