Troubleshooting - LiftMaster LA350 Manual De Instalación

TROUBLESHOOTING

Trouble
The operator doesn't
work.
The operator will not
work from the remote
control.
The remote control
distance is short.
The moving speed of
the gate leaf is slow.
The gate leaf will
not open or close
completely or it does
not move.
The gate leaf will not
close automatically.
Cause
1. The plug is not securely
connected.
1. The remote control has not
been programmed.
2. The remote control battery
needs to be replaced.
3. The clutch is disengaged.
The remote control battery
needs to be replaced.
1. The gate was not installed
properly.
2. The moving speed of the
operator is not adjusted
properly.
1. The photoelectric sensor is
shielded.
2. The operating time of the
operator is not adjusted
properly.
1. The auto closing function is
set OFF.
2. The operator wires are not
connected properly.
1. Have the power supply connected
securely by a qualifi ed technician.
1. Program the Remote, see page 18.
2. Replace the battery.
3. Engage the clutch with the release
key.
Replace with a new battery of the same
type.
1. Release the operator and move the
gate leaf by hand to see if it can move
smoothly.
2. Set the moving speed, see Moving
Speed Setting on page 21.
1. Check and make sure the
photoelectric sensor is not shielded.
2. Set the operating time, see Operating
Time Setting on page 21.
1. Set the auto closing time, see Auto
Closing Setting on page 20.
2. Connect the wires, see Wiring
Diagram on page 17.
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Solution