Having a Problem? (continued)
Situation | Probable Cause & Solution |
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The door opens but won't close:
1.If the opener lights blink, check the safety reversing sensor. See page 19.
2.If the opener lights do not blink and it is a new installation, check the down force. See Adjustment Step 2, page 25. For an existing installation, see below.
Repeat the safety reverse test after the adjustment is complete.
The door reverses for no apparent reason and opener lights don't blink:
1.Is something obstructing the door? Pull the manual release handle. Operate the door manually. If it is unbalanced or binding, call for professional garage door service.
2.Clear any ice or snow from the garage floor area where the door closes.
3.Review the force adjustment procedures on page 25.
4.If door reverses in the fully closed position, decrease the travel limits (page 24).
Repeat safety reverse test after adjustments to force or travel limits. The need for occasional adjustment of the force and limit settings is normal. Weather conditions in particular can affect door travel.
The door reverses for no apparent reason and opener lights blink for 5 seconds after reversing:
Check the safety reversing sensor. Remove any obstruction or align the receiving eye. See page 19.
The opener lights: | . . . don't turn on: |
| |
| Replace the light bulbs (75 watts maximum). Use a standard neck garage door opener |
| bulb if regular bulb burns out. |
| . . . don't turn off: |
| Is the Light feature on? Turn it off. |
The opener strains or The door may be out of balance or the springs are broken.Close the door and use the
maximum force is | manual release to disconnect the trolley. Open and close the door manually. A properly |
needed to operate | balanced door will stay in any point of travel while being supported entirely by its springs. If |
door: | it does not, disconnect the opener and call a professional garage door serviceman.Do not |
| increase the force to operate the opener. |
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The opener motor hums briefly, then won't work:
1.The garage door springs are broken. See above.
2.If the problem occurs on the first operation of the opener, door may be locked.Disable the door lock. If the chain was removed and reinstalled, the motor may be out of phase. Remove the chain; cycle the motor to the down position. Observe the drive sprocket. When it turns in a clockwise direction and stops in the down position, reinstall the chain.
Repeat the safety reverse test after the adjustment is complete.
The opener won't | 1. Use the manual release to disconnect the trolley. The door can be opened and closed |
operate due to | manually. When the power is restored, press the Door Control push bar and trolley will |
power failure: | automatically reconnect (unless trolley is in lockout position.) See page 28. |
| 2. The Outside Quick Release accessory (for use on garages with no service door) |
| disconnects the trolley from outside the garage in case of power failure. |
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The chain droops | It is normal for the chain to droop slightly in the closed door position. Use the manual |
or sags: | release rope and handle to disconnect the trolley. If the chain returns to the normal |
| height when the trolley is disengaged and the door reverses on a 2x4 laid flat, no |
| adjustments are needed. (See page 7.) |
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