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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:
short beep upon
activation
Blown Fuse
Low or Bad Battery
Loose Battery
Connection
Fuse
Battery Under Load
Battery Harness Connections
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
beep with 0
seconds off
Low Battery
Condition
Fuses
Battery Harness Connections
Battery Under Load
beep then 2 beeps Master Motor
Terminals Shorted
• Connections to Master Inputs
• Master Arm Power Cable
• Motor
• Circuit Board
beep then 3 beeps
Slave Motor
Terminals Shorted
• Connections to Master Inputs
• Master Arm Power Cable
• Motor
• Circuit Board
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. VDC 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. VDC 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