3850 Elite Series Manual
Page 29
.... • Use ONLY LiftMaster part number 485LM for one to 5 years. After the electrical power has been restored, the battery will no longer operate under battery power. NOTE: Battery do not have to be limited until battery is fully charged. A fully charged battery supplies 12 Vdc to the...; If a red LED remains on during an electrical power outage. Test the installed battery with beep indicates the unit is operating on battery power and that the battery charge is low. • To test the battery is functioning properly, open and close the garage door. • Re-connect the motor...
.... • Use ONLY LiftMaster part number 485LM for one to 5 years. After the electrical power has been restored, the battery will no longer operate under battery power. NOTE: Battery do not have to be limited until battery is fully charged. A fully charged battery supplies 12 Vdc to the...; If a red LED remains on during an electrical power outage. Test the installed battery with beep indicates the unit is operating on battery power and that the battery charge is low. • To test the battery is functioning properly, open and close the garage door. • Re-connect the motor...
3850 Elite Series Manual
Page 31
...Emergency Release Rope. • Manually bring the door to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery. 31 If it does, deactivate the Lock Mode following the programming instructions. Bell Wire Diagnostics Located On Motor Unit ...Decrease down direction. • Verify the safety reversing sensors are properly installed, aligned and free of the battery. • A flashing LED with beep, sounding every 30 seconds, indicates battery is normal. My motor unit hums briefly: • First verify that the trolley is normal. My ...
...Emergency Release Rope. • Manually bring the door to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery. 31 If it does, deactivate the Lock Mode following the programming instructions. Bell Wire Diagnostics Located On Motor Unit ...Decrease down direction. • Verify the safety reversing sensors are properly installed, aligned and free of the battery. • A flashing LED with beep, sounding every 30 seconds, indicates battery is normal. My motor unit hums briefly: • First verify that the trolley is normal. My ...