Hard Shutdown (two back to back obstructions) LED blinking, Buzzer sounds for 5 minutes 936 control board February 14, 2020 22:46 Updated Clear any obstructions from the path of the gate. Press RESET to clear (or hard reset button). Related articles Deactivating memory lock FLOX2R receiver (318N) Nice product Motor amperage How do I get to the installer menu? SlideDriver Programming & Operations Manual (all models) 1050 board display readouts and meaning