Mighty Mule FM502 Dual Swing - Blue Board - Manual (Page 39)

35
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 Diagnosis Check:
1 short beep upon activation Blown Fuse
Low or Bad Battery
Loose Battery Connection
Fuse
Battery Under Load
Battery Harness Connections
1 short beep upon power up Circuit Board Powered Up &
Ready
Normal Operation
Continuous Uninterrupted
Alarm Circuit Board Senses an
Obstruction
Path of Gate
Gate for Level and Plumb
Stall Force Adjustment
Disconnect Safety Devices
Rev Counter
1 beep with 10 seconds off Low Battery Condition Fuses
Battery Harness Connections
Battery Under Load
1 beep then 2 beeps Master Motor Terminals
Shorted
• Connections to Master Inputs
• Master Arm Power Cable
• Motor
•
Circuit Board
1 beep then 3 beeps Slave Motor Terminals
Shorted • Connections to Master Inputs
• Master Arm Power Cable
• Motor
•
Circuit Board
1 beep with 2 seconds off Master Arm Limit Switch
Error • Connections to Master Inputs
• Master Arm Power Cable
• Master Input ORG & GRN, BRN & GRN voltage with
wires disconnected. 11VDC across each terminal.
2 beeps with 2 seconds off Slave Arm Limit Switch Error • Connections to Slave Inputs
• Slave Arm Power Cable
• Slave Input ORG & GRN, BRN & GRN voltage with
wires disconnected. 11VDC each across each terminal.
3 beeps with 2 seconds off Master Arm Rev Counter
Error • Connections to Master Inputs
• Master Arm Power Cable
• Rev Counter
4 beeps with 2 seconds off Slave Arm Rev Counter Error • Connections to Master Inputs
• Master Arm Power Cable
• Rev Counter