Troubleshooting - Merlin G740A Instructions For Installation & Use

Residential heavy gate opener for sliding gates
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Troubleshooting

Gate will not open or close
The gate should operate smoothly, opening and closing without sticking or requiring undue
force. Release the gate from the opener and check that it is possible to move the gate
freely by hand through the full range of the opening.
May be a power failure. Plug another appliance into the power point to check. Opener may
require service. If solar powered, the battery may not be fully recharging.
SOLUTION: Operate the gate manually. Phone an installer for service.
Gate will open but not close
If photocells are fitted then they may be obstructed or misaligned. The gate mechanism
may have broken, presenting an abnormal load, causing the safety system to activate.
SOLUTION: Look for anything blocking the photocell beam. Is it aligned correctly? Release
the manual release and check the gate can be operated easily by hand. Have your gate
repaired or serviced if it is heavy to move by hand.
Transmitter range is less than normal
Your transmitter battery may be going flat. If you have an external antenna then the wire
may be damaged.
SOLUTION: Replace the transmitter battery. Phone for service if the antenna wire is
damaged
Transmitter doesn't work some times
There may be occasional radio interference in your area. Your transmitter battery may be
going flat.
SOLUTION: Check for nearby baby monitors, remote control toys, cordless phones.
Replace the transmitter battery.
Radio interference
Gate remote controls are required to operate in shared radio frequency bands. Regulations
permit other users to continuously operate higher powered devices such as baby
monitors or wireless headphones in these shared bands. These devices may cause radio
interference that reduces the performance of the remote control. Switch off interfering
devices if possible. Remote controls and receivers that operate on alternative frequencies
are available at additional cost.
Transmitter doesn't work at all
Your transmitter battery may be flat.
SOLUTION: Replace the transmitter battery.
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