|
| Having | a Problem? (continued) |
| |
Situation | Probable Cause | & Solution |
| ||
The door opens but | 1. | If the opener | lights blink, check the safety reversing sensor. See | page 23. | |
won't close: | 2, | If the opener | lights do not blink and it is a new installation, check | the down force. | |
|
| See Adjustment | Step 2, page 29. 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:
. Is something obstructing the door? Pull the red emergency 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 29.
4.If door reverses in the fully closedposition, decrease the travel limits (page 28).
Repeat safety reverse test after adjustments to force or travel limits. The need for occasional adjustment of the force and limit seffings is normal. Weather conditions in particular can affect doer 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 23.
The opener light:
The opener strains or maximum force is
needed to operate door:
The opener motor
hums briefly, then won't work:
•..doesn't turn on:
Replace the light bulbs (75 watts maximum). Use a standard neck garage door opener bulb if regular bulb burns out,
•.. doesn't turn off:
Is the Light feature on?. Turn it off.
The door may be out of balance or the springs are broken. Close the door and use the emergency release to disconnect the trolley. Open and close the door manually. A properly balanced door will stay in any point of travel while being supported entirely by itssphngs, If it
does not, disconnect the opener and call a professionalgarage door sewiceman. Do not increase the force to operate the opener.
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 doorlock. 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 emergency release to disconnectthe trolley. The door can be opened and closed |
operate due to | manually. When the power is restored, press the Door Control push bar or button and |
power failure: | trolley will automatically reconnect (unless trolley is in lockout position.) See page 32. |
2.The Emergency Key Release accessory (for use on garages with no service door) disconnects the trolley from outside the garage in case of power failure.
The chain droops | It is normal | for the chain to droop | slightly in the closed door position. Use the |
or sags: | emergency | release to disconnect | the trolley. If the chain returns to normal height when |
| the trolley is disengaged and the door reverses on a | ||
| are needed (see page 11). |
| |
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