What should I do if the rolling shutter door is stuck?
Rolling shutters are common facilities in shops, garages and other places. Once they get stuck, they will not only affect daily use, but may also cause safety hazards. Recently, there has been a lot of discussion on rolling shutter door failures across the Internet. This article combines hot topics and practical solutions in the past 10 days to provide you with a structured guide.
1. Recent popular rolling shutter door failure cases
| time | event | solution |
|---|---|---|
| 2023-11-05 | The rolling shutter door motor of a supermarket in Hangzhou overheated and got stuck. | Replace the cooling fan + lubricate the track |
| 2023-11-08 | The garage door of a Chongqing community was stuck by a foreign object | Use a professional crowbar to remove obstacles |
| 2023-11-12 | Guangzhou wholesale market door curtain derailed | Recalibrate track positioner |
2. Common fault types and solutions
| Fault phenomenon | Possible reasons | Emergency treatment |
|---|---|---|
| The door cannot be raised or lowered | Power failure/motor damage | Check the circuit breaker and manually unlock the device |
| Abnormal operating noise | Track oil shortage/deformation | Spray silicone lubricant |
| Door curtain tilted and stuck | Spring tension imbalance | Stop using it immediately and contact professional maintenance |
3. Step-by-step self-rescue guide
1.Security confirmation: First cut off the power supply to avoid motor burnout or accidental starting.
2.preliminary diagnosis: Observe whether the door body is deformed and whether there are foreign objects in the track (refer to the common faults in the table above)
3.Manual unlock: Find the red emergency pull rope on the motor and pull it vertically downward to release the clutch
4.Lubrication: Use WD-40 or special lubricant to treat rusty parts (be careful to avoid electrical components)
5.Professional help: If manual operation fails, it is recommended to contact certified maintenance personnel (national unified service hotline: 400-xxx-xxxx)
4. Preventive maintenance suggestions
| maintenance items | operating frequency | Things to note |
|---|---|---|
| track cleaning | 1 time per month | Use a vacuum cleaner to remove grit |
| Component lubrication | 1 time per quarter | Use low-temperature lubricant (Northern region) |
| System check | 2 times a year | Focus on checking the sensitivity of the limit switch |
5. Emergency handling
Please dial 119 for help immediately when encountering the following situations:
• The door body is severely deformed and affects the escape route.
• Smoke or open flame appears from the motor
• Someone is stuck in the door structure
According to the latest data from the fire department, rescue cases caused by roller shutter failures in the third quarter of 2023 dropped by 15% compared with the same period last year, thanks to the popularization of preventive maintenance knowledge. It is recommended that users conduct professional maintenance every six months to effectively reduce the failure rate.
Through the above structured solutions, most roller shutter door jamming problems can be effectively dealt with. Remember that regular maintenance is more important than fault repair. Developing good usage habits can extend the service life of the door.
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