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Maintenance & Troubleshooting Guide
If your gate opener does not function properly after it is installed, use this guide before calling the GTO Service Department.
If the Opener Does Not Work
Check the Green LED on the Control Board:
IF THE LED IS OFF: This condition indicates a transformer power failure.
1. Test the transformer for voltage with a voltmeter. The acceptable range can be found in the VOLTAGE
LIMITS chart on the next page. If the transformer test shows no voltage, then test the electrical outlet for
voltage. If the outlet test shows voltage, then the transformer is dead and must be replaced. Allow the new
transformer 12 hours to charge the battery before using the gate opener.
2. If the transformer test shows voltage, check the POWER IN terminal block on the control board for voltage.
If the terminal block shows no voltage, look for broken or spliced wires.
Check the Red STATUS LED on the Control Board:
IF THE LED IS ON: but the unit is not working.
1. Check the battery in your transmitter and replace with a fresh one if needed..
2. Verify that the power cable is securely connected.
3. Replace the control board fuse if it is blown (15 ampere fuse only - DO NOT USE
A HIGHER RATED FUSE!).
IF THE LED IS OFF:
1. Make sure the ON / OFF switch at the bottom of the control box is set to ON.
2. Check all connections for looseness and corrosion.
IF THE LED IS FLASHING:
The system may be in a condition known as "low voltage lockout" (i.e., inadequate voltage supplied for the gate opener to
function).
1. Test (using a voltmeter) the voltage output of the transformer (18.0 to 22.0 Vac) or solar panel
(18.0 to 22.0 Vdc) at the control board power terminal block.
A. If the voltage is low or not reading, load test the battery at a electronics store and call your dealer for a
replacement battery if necessary.
B. If the voltage is low or not reading, test the transformer and electrical outlet. Replace the transformer if
necessary and let the battery recharge for 12 hours before using the gate opener.
C. Check the control board for damage or corroded connections.
D. Make sure that telephone or solid core wire is
not
being used to connect the transformer to the control
board.
• On all gates weighing 250 lb. or more, routinely grease the ball bearing hinges at least 4 times a year; more
frequently if the gates are near a coastal area.
• Keeping a few mothballs in the control box will discourage insects from entering it and damaging the control
board.
• Clean the push-pull tube with a soft, dry cloth and apply silicone spray to it at least once per month.
