Replacement Part List

21
LOCATING SAFE-T-BEAM® for multiple doors
Transmitter (RED LED) and Receiver (GREEN LED)
Single Garage Door
• Determinewhichsideofthegaragereceivesdirect
sunlight.
• PositiontheTransmitter(RedLED)onthedirectsunlight
side.
Multiple Garage Doors
• NEVER position Safe-T-Beam® modules where signals will
cross.
• PlacetheTransmitter(RedLED)Safe-T-Beamsonadjacent
doors facing in opposite directions.
NOTE: Direct sunlight creates interference with Safe-
T-Beam
®
Receiver (Green LED). STB modules CAN be
positioned further away from the door opening if
necessary to avoid sunlight but no further o the wall
to maintain alignment with the Transmitter (Red LED)
module.
NOTE: Only use Safe-T-Beams® that are included with this opener. DO NOT use other brands or types of photocells
on this opener.
Source
(RED
LED)
Sensor
(Green LED)
Possible Problem Solution
ON ON Normal Operation None Required
OFF OFF Opener not powered
Wiring from opener bad
Check breakers, fuses, plugs
Check wiring for shorts
OFF ON Wiring to source missing or bad
Power has been interrupted
Check wiring
Remove power and reapply
2 BLINKS ON Beam not aligned
Beam obstructed
Sensor defective
Check source, Sensor alignment
Check for obstruction
Contact Customer Support
2 BLINKS OFF Wire to sensor missing or bad
Sensor defective
Check wiring
Contact Customer Support
3 BLINKS ON Sensor receiving interference Determine source of interference
Contact Customer Support
Installing Safe-T-Beams® on multiple garage doors (Preventing “cross-talk”)
Safe-T-Beam® Self-Diagnostic Troubleshooting Chart