3255 Manual
Page 30
... Chart Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. The "Learn" button/diagnostic LED will not operate replace logic board. If the sensor indicator lights do not glow steady. • Inspect sensor wires for a short (staple in wire), replace as needed... sensors. the motor unit does not operate or trolley is overheated. Symptom: Motor unit doesn't operate. • Replace logic board because motor rarely fails. 30 Consult Diagnostic Chart below. 1 FLASH Safety Reversing Sensors wire open (broken or disconnected). Replace Receiver...
... Chart Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. The "Learn" button/diagnostic LED will not operate replace logic board. If the sensor indicator lights do not glow steady. • Inspect sensor wires for a short (staple in wire), replace as needed... sensors. the motor unit does not operate or trolley is overheated. Symptom: Motor unit doesn't operate. • Replace logic board because motor rarely fails. 30 Consult Diagnostic Chart below. 1 FLASH Safety Reversing Sensors wire open (broken or disconnected). Replace Receiver...
3255 Manual
Page 34
Complete with: Logic board and end panel with : Motor, worm, bracket, bearing assembly and RPM sensor KEY PART NO. NO. 12 41A5525-24 13 41A2818 14 41D3452 15 41A2822-1 ... 41AC050-1 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. UP DN Drive Gear Center Limit Contact (Up) Contact Grey Wire Yellow Wire KEY PART NO. NO. 1 31D380 2 41C4220A 3 41A2817 4 41B4245 5 41A5484-1 6 4A1344 7 108D79...
Complete with: Logic board and end panel with : Motor, worm, bracket, bearing assembly and RPM sensor KEY PART NO. NO. 12 41A5525-24 13 41A2818 14 41D3452 15 41A2822-1 ... 41AC050-1 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. UP DN Drive Gear Center Limit Contact (Up) Contact Grey Wire Yellow Wire KEY PART NO. NO. 1 31D380 2 41C4220A 3 41A2817 4 41B4245 5 41A5484-1 6 4A1344 7 108D79...
