LiftMaster HDSW24UL Installation Manual - English - Page 33
Manual Disconnect, Reset Switch, Relay Adapter Board and Terminal Block Access, Operator Alarm
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OPERATION Manual Disconnect 1. Set the reset switch to the RESET position. 2. Remove the top (cludge) cover. 3. Rotate the manual disconnect handle 180°. On a dual gate application the handle must be released on both operators. To resume normal function, rotate the manual disconnect handle back and push it down. Set the switch back to NORMAL OPERATION. Replace top (cludge) cover and secure with screw. Reset Switch The reset switch has the following functions: • Set the switch to the RESET position to disable gate operation. Use this switch before servicing the gate or manually disconnecting the gate. The stop LED will be illuminated. • To hold the gate open, run the gate to the open position and then set the switch to the RESET position. • Toggle the reset switch to RESET then back to NORMAL OPERATION when the operator alarm has been set off, see page 34. • To put the operator into high band programming mode, give the operator an OPEN command. Within 30 seconds, when the gate is at the open limit, toggle the reset switch between RESET and NORMAL OPERATION three times. Relay Adapter Board and Terminal Block Access To access the relay adapter board and terminal block, loosen the two screws of the control board bracket, slide the whole bracket to the right, then swing open. Screws Top (Cludge) Cover Manual Disconnect Handle Normal Operation Reset/ Disconnect Terminal Block Relay Adapter Board 33