How to Repair an Electric Rolling Shutter

Electric rolling shutters provide protection from storms, high winds and intruders without the hassle of moving the shutters by hand. Some units hook up to wind speed sensors and automatically close when a storm begins to develop. Repairing your defective rolling shutter yourself will avoid the cost of calling a professional technician. In some cases there is a simple solution to the problem.

Screwdriver

Instructions

- 1
  Allow the unit to cool for 20 minutes or half an hour. Many roller shutters have a built-in thermal fuse that powers the motor down if the temperature gets too high. The temperature rises if the motor is used several times in quick succession or if the weather is particularly warm outside. Contact the manufacturer if the unit repeatedly overheats during normal use.
- 2
  Adjust the up and down limit screws if the shutter fails to reach the bottom or stops before it reaches the top. The adjustment screws, usually located on the sides of the unit, are labeled for "upward" and "downward" travel. Turn the appropriate screw with a screwdriver clockwise to add travel in the chosen direction, clockwise to remove travel. Test the unit until you find the right setting.
- 3
  Turn off your home's power supply and take a look at the shutter's wiring. Check for damaged wires and loose connections and then compare the setup to the diagram in the shutter owner's manual. The unit could have been installed wrong, causing it to malfunction or never work. Because each unit is different, you will need the instructions from the manufacturer to complete this task. Most companies are able to supply a copy of the installation instructions online or by request over the phone.

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