A weight has broken off the sliding garage door at our property at 18 Forsyth Street Hamilton, as a consequence the door has come off its runners. Can you take a look and let me know what needs to be done. Our house is currently rented so you would need to contact the tenant for a time. thanks David Wilkins

The dial is the force adjustment. if it ever does it again and the light on the opener isn't blinking, its a bad rpm board

there is a weight sensor and a how far lift sensor adjustment on the control box. If the springs are broken the weight sensor will stop the door from opening. There is another adj as to how far to raise the door this could also be bad. (each is a screw in the box unit its marked)

there is a string and a weight on the inside of each door. if you cannot find the string it may be broken. lift and remove the door from the unit, then remove two screws from both top sides of the door and the top of the door itself will come off. you can then lean the door over, the weight should slide out.

change the exit sensor or contact one of technicians on

• Auckland
  Level 2, 60 Stanley Street, Parnell
  P.O. Box 68-024, Newton
  Auckland 1010
  
  Phone 09 - 374 0701
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• Wellington
  123 Taranaki Street
  P.O. Box 10-258
  Wellington 6011
  
  Phone 04 - 381 7600
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  Cnr Anglesea & London Streets
  P.O. Box 758, Waikato Mail Centre
  Hamilton 3204
  
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Sounds like it might be a resistance (weight) issue. It's not the temperature since mine opens when my garage temperature is 15-20 degrees (outside temp even lower).

Release the door from the opener and operate the door by hand. Check the weight of the door. If it is heavy check the door springs. One could be broken. Also take another look at the gear you replaced. Did you use the lubricant on the gear? If not the gear will not last.

I just had that problem this morning and the cause was that the springs that help hold the weight of the garage door were broken. This caused the garage door opener to raise the garage door a fe inches and then drop again. We called in a professional and $200 later we had new springs and everything works fine now.

It sounds like you may have a spring problem. Release the door from the opener and see how it acts manually. Open it as far as the opener does and then see what happens when you release it. Also the weight of the door should give you a clue.

Check to make sure that the lasers at the bottom of the door on each side are lined up. Sometimes it is easy to bump them and then they will not see each other causing the garage door to not work. Worth a try.