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28
TROUBLE SHOOTING SECTION
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Opener won’t work from wall button or
radio control.
No power to opener.
Short circuit in wires to opener or wall
button.
Motor Protector trips open due to ex-
cessive use.
Check cord to outlet, wall switch and
circuit breaker.
Isolate by disconnecting the wires at
the opener from the wall station.
Allow motor to cool for 20 minutes and
try again.
Opener works from wall button but not
from radio control.
Radio control system non-operational. Weak or dead battery in transmitter-
replace.
Security Code not matched between
receiver and transmitter (see page 16)
If two or more transmitters don’t work,
have Motor Control Board Tested.
Door does not open and opener light
flashes.
Something obstructing door travel.
Insufficient opening force.
Build up of ice and snow around door.
Disconnect door from operator. Oper-
ate door by hand to locate obstruction
or call a service person.
Adjust opening force. (See Adj. #1).
Shovel and clear door area.
Door does not open fully and light
does not flash.
Open Limit not set properly. Adjust Open Travel with screwdriver,
turn counter-clockwise to desired set-
ting. 1/4 turn equals to 1” of travel (see
Step 29).
Door stops and does not close fully. Close Limit not set properly. Adjust Close Travel with screwdriver,
turn clockwise to desired setting. 1/4
turn equals 1” of travel (See Step 28).
Door closes and then returns to fully
open position and opener light flashes.
Door arm adjustment.
Close travel adjustment is set beyond
normal door position.
Obstructions on floor.
Adjust rod in tube to provide 1” of
“cushion” compression when door is
fully closed (See Step 25 and 27).
Adjust Close Travel with screwdriver,
turn clockwise to desired setting. 1/4
turn equals 1” of travel (See Step 28).
Check for stones or ice under door
and remove.
When activated with door in fully open
position, door travels for 1 second,
stops, and returns to fully open posi-
tion and light begins to flash.
Infrared Safety Sensors out of adjust-
ment or defective.
Batteries in Wireless Safety Sensors.
Obstructions in door opening.
Infrared Safety Sensors alignment
should be checked per instructions.
(See Step 22 and 23).
Check batteries and contact points.
Check for object blocking Infrared
Safety Sensors.
Door reverses travel before reaching
fully closed position and opener light
flashes.
Activation of obstruction sensing sys-
tem.
Loose or hanging objects on door acti-
vating Infrared Safety Sensor
Insufficient closing force.
Check for binding in door travel (door
“stops”, door tracks, etc).
Remove objects.
Adjust closing force. (See Adj. #1).
Door stops travel for 1 second at mid-
point during close and then continues
to close.
Weak battery in Wireless Infrared
Safety Sensors.
Replace batteries in Wireless Infrared
Safety Sensors.
Door fully opens and then light flashes. Open limit is set too high and trolley is
hitting the stop bolt.
Adjust Open Travel with screwdriver,
turn counter-clockwise to desired set-
ting. 1/4 turn equals to 1” of travel (see
Step 29).