Operator Limit Setting - Nortek Security & Control Mighty Mule MM372W Installation Manual

Setting the Operator's Extended Limit (MM371W Only):
1. Press and hold the (up arrow) and (
2. Use the (up arrow) and (down arrow) buttons to jog the gate operator to the EXTENDED position.
3. Once you have positioned the gate operator to the EXTENDED position, press and release the (
EXTENDED limit.
Note: For Pull-to-open installations, the extended limit is the closed position for the gate. For Push-to-open installations, the
extended limit is the open position for the gate.
Setting the Operator's Closed Limits (MM372W, Pull-to-open installation):
1. Press and hold the (down arrow) and (
2. Use the (up arrow) and (down arrow) buttons to jog the SECONDARY operator to the CLOSED position.
3. Once you have positioned the SECONDARY operator to the CLOSED position, press and release the (
CLOSED limit.
4. Press and hold the (up arrow) and (
5. Use the (up arrow) and (down arrow) buttons to jog the PRIMARY operator to the CLOSED position.
6. Once you have positioned the PRIMARY operator to the CLOSED position, press and release the (
CLOSED limit.
Setting the Operator's Open Limits (MM372, Push-to-open installation):
1. Press and hold the (up arrow) and (
2. Use the (up arrow) and (down arrow) buttons to jog the PRIMARY operator to the OPEN position.
3. Once you have positioned the PRIMARY operator to the OPEN position, press and release the (
OPEN limit.
4. Press and hold the (down arrow) and (
5. Use the (up arrow) and (down arrow) buttons to jog the SECONDARY operator to the OPEN position.
6. Once you have positioned the gate operator to the OPEN position, press and release the (
Note: After you have set the operator limits, use your transmitter to cycle the operator at least 4 times.
Dual Sense Stall Force Setting
Do not use the Dual Sense Stall Force adjustment to compensate for a gate that is sticking or binding. Excessive Stall force may
cause damage to the gate operator or gate system.
The Stall Force adjustment controls the amount of force the opener will apply against an obstruction before it stops and reverses
direction. The controller includes three Stall Force settings, and is preset from the factory to Low. If your operator stops and
reverses during a normal cycle, follow the instructions below to change the Stall Force setting.
Adjusting the Stall Force:
1. Press and hold the (UP Arrow) and (DOWN arrow) buttons until the buzzer sounds (approximately 2 seconds). Release.
2. Use the (UP arrow) or (DOWN arrow) to adjust the Stall Force setting. LED1, 2, & 3 are used to indicate the setting. LED3
ON indicates LOW, LED3 & 2 ON indicates MEDIUM, and LED1, 2 & 3 ON indicates HIGH.
3. Press and release the (

OPERATOR LIMIT SETTING

) buttons until LED1 turns on and the buzzer sounds. Release.
) buttons until LED3 turns on and the buzzer sounds. Release.
) buttons until LED1 turns on and the buzzer sounds. Release.
) buttons until LED1 turns on and the buzzer sounds. Release.
) buttons until LED3 turns on and the buzzer sounds. Release.
) button to set the Stall Force setting.
) button to set the
) button to set the
) button to set the
) button to set the
)button to set the OPEN limit.
MM371W / MM372W Installation Instructions
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