User's Manual
24 GTO 4000XLS Instruction Manual © 01.10.12
Troubleshooting Guide
If your gate operator does not function properly after it is installed, use this guide before calling the GTO 
Service Department. 
Generation 3 Audible Feedback
SYMPTOM DIAGNOSIS CHECK:
1 short beep upon 
power up
Circuit Board 
Powered Up & 
Ready
•NormalOperation
1 short beep upon 
activation
Blown Fuse
Low or Bad Battery
Loose Battery 
Connection
•Fuse
•BatteryUnderLoad
•BatteryHarnessConnections
Continuous 
Uninterrupted 
Alarm
Circuit Board 
Senses an 
Obstruction
•PathofGate
•GateforLevelandPlumb
•StallForceAdjustment
•DisconnectSafetyDevices
•RevCounter
1 beep with 10 
seconds o
Low Battery 
Condition
•Fuses
•BatteryHarnessConnections
•BatteryUnderLoad
1 beep then 2 
beeps 
Master Motor 
Terminals Shorted
•ConnectionstoMasterInputs
•MasterArmPowerCable
•Motor
•CircuitBoard
1 beep with 2 
seconds o
Master Arm Limit 
Switch Error
•ConnectionstoMasterInputs
•MasterArmPowerCable
3 beeps with 2 
seconds o
Master Arm Rev 
Counter Error
•ConnectionstoMasterInputs
•MasterArmPowerCable
•RevCounter










