The common faults of electric rolling shutter doors include door shaft sticking, motor not working, door body deformation, etc. In response to these failures, the following maintenance methods can be taken:
1. Door shaft stuck: Check whether the door shaft is well lubricated, if there is a lack of lubricating oil, the appropriate lubricant should be added; If the problem persists, the damaged door shaft may need to be replaced.
2. The motor does not work: First check whether the power supply is normal, and then check whether the fuse and control circuit board of the motor are wrong. If damaged, replace the corresponding parts.
3. Door deformation: It may be due to improper installation or long-term use resulting in damage to the support structure of the door body. Need to adjust or replace damaged parts.
In short, for the problems that will occur in the electric shutter door, it should be analyzed and dealt with according to the specific situation, and repaired in time to ensure its normal operation.