Troubleshooting - Merlin Prolift 230T User Manual

Troubleshooting

There are no user serviceable parts inside the opener. The power cord is not intended for replacement
by the user. Please refer to your Merlin dealer in the event that replacement is required. Contact your
Merlin dealer or Authorised Merlin Installer for any service requirements.
Opener does not work at all.
May be no power. If the lamp is still on then the motor may have temporarily shut off to cool down.
SOLUTION: Plug another appliance into the power point to check power. Wait five minutes for the
motor to cool.
Courtesy lamp flashes when door stops.
This is a warning that your door was obstructed and couldn't reach its normal stopping position. It may
also be a warning that the door has become very heavy to operate.
SOLUTION: Look for a anything blocking the beam sensor. Is the beam aligned correctly? Release the
manual release and check the door can be operated easily by hand. Get your door repaired or serviced
if it is heavy to move by hand.
Transmitter range is shorter than normal.
Your transmitter battery may be going flat. The antenna wire out of the door opener may be damaged.
SOLUTION: Replace the transmitter battery. Uncoil the antenna wire if it is coiled up.
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 other interfering wireless products. Replace the transmitter battery.
Transmitter doesn't work at all.
Your transmitter battery may be flat. Transmitter may not be learned.
SOLUTION: Replace the transmitter battery. Learn transmitter.
Wall button doesn't work.
Switch or wiring may be broken or damaged. Connection may be loose.
SOLUTION: Replace switch. Replace wiring. Check connections each end.
Door operates unexpectedly.
A transmitter may be operated accidentally.
SOLUTION: Check all of your transmitters to be sure they are not being operated by items placed on
top of them.
Door is open when you arrive home, yet you pressed the button to close it when leaving.
Door may have sensed an obstruction and automatically reversed to the open position.
SOLUTION: Make sure you watch the door close fully before driving away. Do not rely on auto-
closing, there are many safety over-rides which can prevent it from operating.
Door stops part way up.
There is an obstruction being sensed. Settings for force sensitivity or door travel limits may have been
altered.
SOLUTION: Pull the manual release and check that the door can be operated easily by hand through
the full range of movement. Adjust or repair the door. Make the opener less sensitive by adjusting
force sensing.
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