18
TROUBLESHOOTING
POWERHEAD LEDS
Powerhead LED
Possible Problem
Solution
Round LED
Long LED
OFF
OFF
Normal operation.
None required.
No response from unit.
Check power supply.
Contact a trained door system professional.
ON/RED/
STEADY
ON/RED/
STEADY
Limits NOT set properly.
Re-program limits, see pages 8-9.
ON/RED/
FLASHING
ON/RED/
FLASHING
Program error.
Unplug unit, wait 5 seconds, plug in.
Component failure.
Contact a trained door system technician.
ON/BLUE/
FLASHING
OFF
Remote NOT programmed.
Program remote, see page 11.
ON/PURPLE/
FLASHING
OFF
Remote NOT programmed.
Program remote, see page 11.
ON/RED/
FLASHING
OFF
Safe-T-Beam® physical obstruction.
Remote obstruction, recheck unit.
Safe-T-Beam® signal interference.
Check alignment of Safe-T-Beam® pair and
nearest other Safe-T-Beam® pair, see page 16.
OFF
ON/RED/
FLASHING
Door contact in UP or DOWN travel.
Remove obstruction.
Door component failure detected.
Check door spring, track, rollers, hinges and
fixtures.
OFF
ON/RED/
STEADY
Thermal cutout.
DO NOT unplug unit.
Wait until LED clears before operating.
ON/PURPLE/
STEADY
ON/PURPLE/
STEADY
Component error.
Contact a trained door system technician.
OFF
ON/BLUE/
FLASHING
Door will not open.
Check Sure-Lock™. Sure-Lock™ should be OFF for
normal operation (see page 6).
ON/PURPLE/
FLASHING
ON/PURPLE/
FLASHING
Radio receiver error.
Unplug the unit. Wait 5 seconds and plug the unit
back in. If problems persist, contact a trained door
system technician.
