For Your Records - Nortek Security & Control MIGHTY MULE MM571W Installation Manual

Visual Feedback Possible Diagnosis
The unit will not run 1) Unit arm travel (limits) not set.
2) Transmitter not programmed.
3) Power source issues.
4) Arm problem
The unit stope before reaching Limit position not adjusted/set
the proper open or close correctly.
position
The unit is receiving a stop
command
The unit reverses before Gate/unit has sensed an obstruction
completing an open or close.
The unit stops before reaching Limit (s) are not set correctly.
the correct close or open
Hardware not positioned correctly.
position.
The unit received a stop command.
The auto close seems to be Dip switch 1 in the wrong position.
working in reverse and/or
Or, Power has not been cycled since
accessories not operating
the switch was moved.
properly
F1 fuse (top left) blown Transformer or solar wired to board
incorrectly
F2 fuse (bottom left fuse) Battery or Batteries connected
blown incorrectly
Harness fuse blown Battery or Batteries connected
incorrectly
Additional information can be found by contacting Nortek Security and Control.
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MM571W / MM572W Installation Instructions
Check/Solution
h Set travel limits
h Program transmitter
h Bad or low battery
h No transformer output, proper output should be 19 Vdc
h Poor or night solar conditions
h Check circuit breaker or GFI
h Power at outlet
h Low voltage wire problem from charge source (transformer or
solar panel) to the control board.
h Ensure transformer or solar panel wires are properly connected to
the control board.
h Potential arm problem check all connection cycle power or press
reset, if after the reset you get a click and no movement the
problem maybe the power cable or internal to the arm
h Reset the arm's extended limit position, see page ___.
h Adjust the arm's retracted position by moving or repositioning the
hardware.
h Check transmitters and any wired accessory
h Path of gate
h Gate for Level and Plumb
h The gate requires maintenance, it is to difficult to move.
h Adjust Force Factor
h For diagnostic purposes disconnect the external obstruction
detection devices, if the unit works troubleshoot these devices.
h Arm rev. counter
h Arm power cable connections.
h Reset the limits (the extended position of the arm) Note: if this
problem has occurred, make sure the resetting of limit(s) begins
with the operator arm fully retracted. Do not spin the tube out,by
hand, in order to attach it to the gate bracket.
h Adjust the arm Hardware (this would correct the retracted
position of the arm)
h Check for a triggered (stuck) transmitter or accessory
h Turn unit off then back on
h Move dip 1 to the correct position and cycle power.
h Check accessories and connections
h Correct wiring
h Replace fuse
h Check battery connections and harness, ensure the battery is
connected red to red (+) and black to black (-)
h Check harness fuse
h Check battery connections and harness, ensure the battery is
connected red to red (+) and black to black (-)
h Replace harness fuse and F2 fuse if blown

For Your Records

Please record the product serial number (located on the right hand side of the control box), and the date and place of purchase in the
spaces provided below. Refer to this information when calling Nortek Security and Control for service or assistance with your automatic
gate operator.
Serial Number ____________________________________________
Date of Purchase _________________________________________
Place of Purchase ________________________________________
Remember to keep all receipts for proof of purchase.
33
MM571W / MM572W Installation Instructions