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M
AINTENANCE AND
A
Step 1:
LIGNING
WARNING
THESAFE-T-BEAM®MUSTBEALIGNED ORTHEOPEN-
ERWILLNOT FULLY FUNCTION.
Serious injury or death from a closing garage door may
result because of failure to test the safety reverse system.
Repeat this test monthly and adjust as needed.
TheSafe-T-Beam®is an invisible ray of light that travels
across the bottom of the garage door opening ( Figure 1).If
an object blocks the beam while the garage door is closing,
the opener will stop, then reverse and fully open the door.
Figure 1 SAFE-T-Beam®
TheSafe-T-Beam®indicator lights display the status of
theSafe-T-Beam®system (Figure 2).
Source Red LED
ON = Power On
OFF= Power Off
If OFF , check wire con-
nection at Powerhead.
Check for broken or
shorted wires.Check
for defective source.
Receiver
Sensor
Figure 2 Indicator Lights
8
A
DJUSTMENTS
T
S
-T-B
HE
AFETY
EAMS
NOTE
NOTE
Sensor Green (2 LED's)
BOTH OFF= NoPower
ONEOFF / ONEON=M isaligned.
ONEON / ONEBLINKING=Beam
needs better alignment.
BOTH ON = Normal Function,
No Obstruction.
Transmitter
Source
A
Adjusting the beam (Figure 3).
•
Adjust the source and sensor units until the Green
indicator lightsstay on.
®
–
Be sure to stay out of the path of the beam while
making adjustments.
•
If one Green indicator light stays off, check for
–
Dirt on the lens.
–
–
Sun shinning into the lens.
A short in the wiring (check staples and
connections at terminals).
Figure 3 Adjusting Beam
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