Having a Problem? | (Continued) |
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SITUATION | PROBABLE CAUSE & SOLUTION |
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| i ,i I | i,ii | .... | iiI |
DOOR WON'T CLOSE | 1 | The infrared Reversing Sensor (if | you have instaIJed this accessory} may | |
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| be misaligned or obstructed. Disconnect sensor and check door opera- | ||
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| tion If problem disappears, correct alignment | ||
DOOR REVERSES FOR1 Is something obstructing the door? Pull red emergency release handle
NO APPARENT REASONOperate door manually If it is unbalanced or binding, call a garage door serviceman to correct the problem
2Clear any ice or snow from garage floor area where garage door closes.
3Review the Force Adjustment Chart on Page 17 Repeat Safety Reverse Test after adjustment is complete
4.If door reverses in FULLY CLOSED position, decrease travel limits (See Pg 17) and repeat Safety Reverse Test after adjustment is complete.
THE NEED FOR OCCASIONAL ADJUSTMENT OF FORCE AND LIMIT SET- TINGS IS NORMAL. WEATHER CONDITIONS IN PARTICULAR CAN AFFECT
DOOR TRAVEL
5_ The Infrared Reversing Sensor(if you have installed this accessory) may be misaligned or obstructed. Disconnect sensor and check door opera- tion. If problem disappears, correct alignment
OPENER LIGHT | DOESN'T TURN ON |
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| 1 Replace | the light bulb (75Watts Maximum) | Use rough service | bulbs | if |
| standard | bulbs burn out prematurely due to | vibration (Vibration | may | be |
| caused by loose end panels_ Retighten screws) |
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DOESN'T TURN OFF
1There may be a defective ground at ceiling or wall receptacle Unit must be grounded.
OPENER STRAINS OR
MAXIMUM FORCE IS NEEDED TO OPERATE DOOR
OPENER MOTOR HUMS BRIEFLY, THEN WON'T RUN
OPENER WON'T OPERATE
DUE TO POWER FAILURE
CHAIN DROOPS OR SAGS
Door may be out of balance Use emergency release rope and handle to disconnect trolley Open and close door manually.
A properly balanced door will remain in any point of travel while being sup-
ported e ntirely by its springs If it does not, call a garage door serviceman to correct problem
Trolley may be ja mined into rail stop bo_ts Pull or push on door while motor is hu taming to release jammed condition
2if problem occurs on the first operation during the installation process or after the chain was removed and
1Use emergency release rope and handle to disconnect trolley Door can be opened and closed manually When the power is restored, press the wall push button and trolley wilt automatically reconnect
2The emergency release key lock accessory (for use on garages with no service door) disconnects the trolley from outside the garage in case of power failure
It is normal for the chain to droop slightly in closed door position Use emergency release rope and handle to disconnect trolley If chain returns
to normal height when trolley is disengaged and door re_verses on a one- inch obstruction, no adjustments are needed See Page 9
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