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ADJUSTMENT STEP 3
TesttheSafetyReversa/System
TEST
• With the door fully open, placea 1-1/2" (3.8 cm) board
(or a2x4 taid flat) on the floor, centered under the
garagedoor.
• Operatethedoor in the down direction, The door must
reverse onstriking the obstruction.
ADJUST
• tf the door stops onthe obstruction, it is nottraveling
far enough in the down direction. Increasethe DOWN
limit by turning the DOWNlimit adjustment screw
counterclockwise 1/4 turn,
NOTE:Ona sectional door, make sure limit adjustments
donot force the door arm beyonda straight up and
down position. See theillustration onpage26.
- Repeatthe test.
• When the door reverseson the I-1/2" (3.8 cm) board
(or 2x4 laid fiat), remove the obstruction andrun the
opener through 3or 4 complete travel cycles to test
adjustment.
• If theunit continues to fait the Safety ReverseTest,calf
for a traineddoor systems technician.
IMPORTANT SAFETY CHECK:
Testthe Safety ReverseSystem after:
• Eachadjustment of door arm length, limits, or force
controls.
• Any repair to or adjustment of the garagedoor
(including springs and hardware).
• Any repair to or buckling of thegaragefloor.
• Any repair to or adiustment of the opener.
Without a properly installed safety reversal system,
persons (particularly small children) could be
SERIOUSLYINJUREDor KILLED by aclosing garage
door.
• Safetyreversal system MUSTbetested every
month.
• If onecontroi (force or travel limits) is adjusted, the
other controt may also needadjustment,
• Alter ANY adjustments are made, the safety
reversalsystem MUST betested, Door MUST
reverseon contact with 1-1/2" high (3.8 cm) object
(or 2x4 laid flat) on thefloor.
1-1/2°(3.8cm)board
(ora2x4laidflat)
ADJUSTMENT STEP 4
TestTheProtectorSystem®
• Press theremote control push button to open the door.
• Placethe opener carton in the pathof the door,
• Press theremote controI push button to close the door.
Thedoor will not move more than 1" (2,5 cm), and the
openeriights witl flash.
Thegaragedoor opener will not close from a remote it the
indicator light in eithersensor is off (aIertingyou to the
fact that the sensor is misaIigned or obstructed).
!f the opener closesthe doorwhen the safety reversing
sensorisobstructed (and the sensorsare no more
than 6"(15 cm) above the floor), call for a trained door
systemstechnician.
Without a properly installedsafety reversing sensor,
persons (particuiarly small children) could be
SERIOUSLYINJUREDor KILLED by a closing
garagedoor.
Safety Reversing Sensor
CZ3
SafetyReversingSensor
3O
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