Control Box Cover - Final Step; Troubleshooting Guide - Nortek Security & Control Mighty Mule HD272 Installation Manual

Accessory Inputs
SAFETY: Typically for use with photo beam device, loop
1
detector or other non-contact sensors
• Activation of this input while the gate is closing will cause the gate
to stop and return to the opened position.
• Activation of this input while the gate is opening has no effect. (gate
will continue to open)
• Activation of this input while gate is idle will prevent gate from
closing.
• Activation of this input while at open limit will restart the auto close
time (if enabled).
EXIT: Typically for use with exit loop or wand
2
• Activation of this input will open the gate if it's not already at the
open position.
• Activation of this input while at open limit will restart the auto close
time (if enabled).
• Activation of this input while gate is idle will prevent gate from
closing.
CYCLE: Typically for use with doorbell button or hard wired
3
keypad
• Each activation at this input will cycle the operation as follows:
... OPEN STOP CLOSE STOP OPEN ...
EDGE: Typically for use with contact edge sensor
4
• Activation of this input while gate is moving will cause it to
reverse direction for 2 seconds.
• Activation of this input while idle will prevent gate from running.
COM: Common/Negative terminal for accessory devices.
5
12 Volt Power (Maximum Current: 100 mA)
COM: Common/Negative terminal for accessory power source.
5
LOCK +: Power source for NSC/Mighty Mule accessories, i.e. Gate Opening Sensor [FM138].
6
Lock Outputs
LOCK +: Positive terminal to connect Automatic Gate Lock [FM143].
6
LOCK – : Negative terminal to connect Automatic Gate Lock.
7
Charge Power Inputs
CHGR: Power Input Terminals:
8
• Input terminals for transformer or solar panel.
• Non-polarity sensitive.

Control Box Cover - Final Step

Attach and secure the CONTROL BOX COVER to the CONTROL BOX
HOUSING.
25
HD272 Installation Instructions
1st OPR.
OPEN < JOG > CLOSE
2nd OPR.
120
MIN MAX OFF
SEC.
STALL FORCE AUTO CLOSE
SET
PWR.
LIMIT
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
1
SFTY.
2 VAR1
EXIT
VAR2
3
CYCLE
VAR3
EDGE
4
VAR4
SENSOR
5
COMMON
VAR5
6
LOCK+
7
LOCK– PF1
K1
WHT
GRN
K2
RED
BLK
BATT +
BATT –
WHT
K3
GRN
RED
K4
BLK
14 VAC
OR
8
SOLAR
VAR6
ON OFF
Control Board

Troubleshooting Guide

If your gate opener does not function properly, use this guide or use the online troubleshooter located at
www.mightymule.com before calling the NSC Service Department.
≤JP1
VISUAL AND AUDIBLE DIAGNOSTIC INDICATORS
1. Visual Indicators:
a. Power LED (Green):
• ON: AC power or Solar power is present.
• OFF: There is no input power.
2. AUDIBLE INDICATOR (ALARM/BUZZER):
a. Beeps upon power up:
• This is normal self test when the unit is turned on.
b. Continuous beep after power up:
• Check for a stuck button on a transmitter.
c. Continuous alarm after activation or activation attempt:
• Unit has encountered two (2) obstructions without reaching either limit. (Power cycle to reset the alarm)
• Alarm will automatically shut off after 5 minutes; gate will remain disabled until control box is restarted.
d. 1 beep every 20 seconds:
• Low battery is detected.
e. 1 beep every 2 seconds:
• Position sensor on first opener is open circuit. Call NSC Service department.
f. 2 beeps every 2 seconds:
• Position sensor on second opener is short circuit. Call NSC Service department.
g. 1 beep when attempting to activate the opener:
• Blown fuse.
• Battery is extremely low or damaged.
• Loose connection from battery to circuit board.
h. 3 beeps every 2 seconds (first opener):
• Position sensor is short circuit.
• Call Mighty Mule Service department.
i. 4 beeps every 2 seconds (second opener):
• Position sensor is short circuit.
• Call Mighty Mule Service department.
3. IF THE GATE STOPS AND REVERSES DIRECTION
1. Check the position of the mounting brackets and readjust if necessary.
2. Check the gate for binding or hinge damage.
3. Adjust stall force if necessary.
4. Reprogram closed position limits.
26
HD272 Installation Instructions