Mighty Mule MM571W - Troubleshooting Guide - Audible Feedback

MM571W / MM572W Installation Instructions 29
Audible Feedback Possible Diagnosis Check/Solution
Continuous Alarm
Control Board Senses an
Obstruction or lack of arm
movement
h Path of gate
h Gate for Level and Plumb
h The gate requires maintenance, it is to difcult 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.
1 beep every 10 seconds Low battery condition
h Check Fuses
h Battery Harness connections
h Battery Underload
h Inadequate charge
h Transformer
h Solar panel(s)
h Charge source wiring
2 beeps every 10 seconds Motor Fault
h Operator arm(s) connections
h Low Battery
h Internal motor short
h Inadequate charge
h Transformer
h Solar panel(s)
h Charge source wiring
1 beeps , pause , 1 beeps,…… Open circuit Primary arm
h Primary arm connections (white and green)
h Arm power cable
h Arm rev. counter
2 beeps , pause , 2 beeps,…… Open circuit Secondary arm
h Secondary arm connections (white and green)
h Arm power cable
h Arm rev. counter
3 beeps , pause , 3 beeps,…… Short circuit Primary arm
h Primary arm connections (white and green)
h Arm power cable
h Arm rev. counter
4 beeps , pause , 4 beeps,…… Short circuit secondary arm
h Secondary arm connections (white and green)
h Arm power cable
h Arm rev. counter
5 beeps, pause, 5 beeps
Stuck limit switch primary Arm or
Reading open motor circuit
h Arm power cable wires shorted, crossed or cut/disconnected
h Arm rev. counter stuck switch
6 beeps, pause, 6 beeps
Stuck limit switch Secondary arm or
Reading open motor circuit
h Arm power cable wires shorted, crossed or cut/disconnected
h Arm rev. counter stuck switch
If your gate operator does not function properly after it is installed, use this guide before calling the Nortek Security and Control
Service Department.
Troubleshooting Guide - Audible Feedback