Troubleshooting
SYMPTOM | PROBABLE CAUSE | CORRECTIVE ACTION |
Opener won’t work from wall button or radio control. | No power to opener. | Check cord to outlet, wall switch and circuit breaker. |
| Short circuit in wires to opener or wall button. | Isolate by disconnecting the wires at the opener from the wall |
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| station. |
| Motor Protector trips open due to excessive use. |
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| Allow motor to cool for 20 minutes and try again. |
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Opener works from wall button but not from radio control. | Radio control system | Weak or dead battery in transmitter replace. |
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| Security code not matched between receiver and transmitter |
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| (see page 33) |
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| If two or more transmitters don’t work, have motor control board |
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| tested. |
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Door does not open and opener light fl ashes. | Something obstructing door travel. | Disconnect door from operator. Operate door by hand to locate |
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| obstruction or call a service person. |
| Insuffi cient opening force. |
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| Adjust opening force. (See Adj. #1 on page 32). |
| Build up of ice and snow around door. |
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| Shovel and clear door area. |
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Door does not open fully and light does not fl ash. | Open limit not set properly. | Adjust open travel with screwdriver, turn |
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| desired setting. 1/4 turn equals to 1” of travel (see Step 20). |
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Door stops and does not close fully. | Close limit not set properly. | Adjust close travel with screwdriver, turn clockwise to desired |
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| setting. 1/4 turn equals 1” of travel (See Step 19). |
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Door closes and then returns to fully open position and | Door arm adjustment. | Adjust door arm (See Step 17 and 18). |
opener light fl ashes. |
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| Close travel adjustment is set beyond normal door position. | Adjust close travel with screwdriver, turn |
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| desired setting. 1/4 turn equals 1” of travel (See Step 19). |
| Obstructions on fl oor. |
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| Check for stones or ice under door and remove. |
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When activated with door in fully open position, door travels | Infrared safety sensors out of adjustment or defective. | Infrared safety sensors alignment should be checked per |
for 1 second, stops, and returns to fully open position and |
| instructions. (See Step 16). |
light begins to fl ash. |
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| Obstructions in door opening. | Check for object blocking Infrared safety sensors. |
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Door reverses travel before reaching fully closed position | Activation of obstruction sensing system. | Check for binding in door travel (door “stops”, door tracks, etc). |
and opener light fl ashes. |
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| Loose or hanging objects on door activating Infrared safety | Remove objects. |
| sensor. |
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| Insuffi cient closing force. | Adjust closing force. (See Adj. #1 on page 32). |
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Door fully opens and then light fl ashes. | Open limit is set too high and trolley is hitting the stop bolt. | Adjust open travel with screwdriver, turn clockwise to desired |
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| setting. 1/4 turn equals to 1” of travel (see Step 20). |
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MAINTENANCE/ TROUBLESHOOTING
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