Troubleshooting Guide - Mighty Mule 500 UL325 SERIES Installation Manual

Troubleshooting Guide

If your gate opener does not function properly after it is installed, use this guide before calling the GTO Service Department.
Audible Feedback
Symptom
1 short beep upon
activation
1 short beep upon
power up
Continuous
Uninterrupted Alarm
1 beep with 10 seconds
off
1 beep then 2 beeps
1 beep then 3 beeps
1 beep with 2 seconds
off
2 beeps with 2 seconds
off
3 beeps with 2 seconds
off
4 beeps with 2 seconds
off
Diagnosis
Blown Fuse
Low or Bad Battery
Loose Battery Connection
Circuit Board Powered
Up & Ready
Circuit Board Senses an
Obstruction
Low Battery Condition
Master Motor Terminals
Shorted
Slave Motor Terminals
Shorted
Master Arm Limit Switch
Error
Slave Arm Limit Switch
Error
Master Arm Rev Counter
Error
Slave Arm Rev Counter
Error
Check:
• Fuse
• Battery Under Load
• Battery Harness Connections
• Normal Operation
• Path of Gate
• Gate for Level and Plumb
• Stall Force Adjustment
• Disconnect Safety Devices
• Rev Counter
• Fuses
• Battery Harness Connections
• Battery Under Load
• Connections to Master Inputs
• Master Arm Power Cable
• Motor
• Circuit Board
• Connections to Master Inputs
• Master Arm Power Cable
• Motor
• Circuit Board
• Connections to Master Inputs
• Master Arm Power Cable
• Master Input ORG & GRN, BRN & GRN voltage with
wires disconnected. 11VDC across each terminal.
• Connections to Slave Inputs
• Slave Arm Power Cable
• Slave Input ORG & GRN, BRN & GRN voltage with
wires disconnected. 11VDC each across each terminal.
• Connections to Master Inputs
• Master Arm Power Cable
• Rev Counter
• Connections to Master Inputs
• Master Arm Power Cable
• Rev Counter
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