3255 Manual
Page 30
...reversed. 3 FLASHES Door control or wire shorted. 4 FLASHES Safety Reversing Sensors slightly misaligned (dim or flashing LED). 5 FLASHES Motor overheated or possible RPM sensor failure. Symptom: LED is not lit on stop bolt = Motor unit hums briefly; RPM Sensor = Short travel 6-8" (15-20 cm). • Unplug unit to ... Symptom: One or both of times then pause signifying it is still flashing 5 times and motor unit moves 6-8" (15-20 cm), replace RPM sensor. • If motor unit doesn't operate, motor unit is firmly secured to wall and does not move. If motor unit activates, replace...
...reversed. 3 FLASHES Door control or wire shorted. 4 FLASHES Safety Reversing Sensors slightly misaligned (dim or flashing LED). 5 FLASHES Motor overheated or possible RPM sensor failure. Symptom: LED is not lit on stop bolt = Motor unit hums briefly; RPM Sensor = Short travel 6-8" (15-20 cm). • Unplug unit to ... Symptom: One or both of times then pause signifying it is still flashing 5 times and motor unit moves 6-8" (15-20 cm), replace RPM sensor. • If motor unit doesn't operate, motor unit is firmly secured to wall and does not move. If motor unit activates, replace...
3255 Manual
Page 34
... 18 41C5498 41C5497 19 41D181 41A2826 41A2825 DESCRIPTION Cover Limit switch drive and retainer Limit switch assembly Interrupter cup assembly RPM sensor assembly Receiver logic board assy. Complete with: Logic board and end panel with all labels NOT SHOWN Motor shaft bearing...1/2 HP Capacitor - 1/3 HP Capacitor bracket Terminal block with screws Universal replacement motor and bracket assembly Complete with: Motor, worm, bracket, bearing assembly and RPM sensor KEY PART NO. NO. 1 31D380 2 41C4220A 3 41A2817 4 41B4245 5 41A5484-1 6 4A1344 7 108D79 8 30B532 30B533 9 12A373 10 41A3150 11 ...
... 18 41C5498 41C5497 19 41D181 41A2826 41A2825 DESCRIPTION Cover Limit switch drive and retainer Limit switch assembly Interrupter cup assembly RPM sensor assembly Receiver logic board assy. Complete with: Logic board and end panel with all labels NOT SHOWN Motor shaft bearing...1/2 HP Capacitor - 1/3 HP Capacitor bracket Terminal block with screws Universal replacement motor and bracket assembly Complete with: Motor, worm, bracket, bearing assembly and RPM sensor KEY PART NO. NO. 1 31D380 2 41C4220A 3 41A2817 4 41B4245 5 41A5484-1 6 4A1344 7 108D79 8 30B532 30B533 9 12A373 10 41A3150 11 ...
