GARAGE DOOR OPERATOR USER’S MANUAL
16
8. Maintenance
Check the door once a month. The door should be carefully checked for balance. The
door must be in good working order.
Check and add lubricant regularly.
The auto-reverse function should be regularly inspected, and adjusted if necessary. For
service, call an experienced serviceman.
We suggest for safety reasons, photocells be used on all doors.
Disconnect from mains supply before replacing bulb.
Be sure to read the entire manual before attempting to perform any installation or service
to the door operator.
9. Troubleshooting
Trouble
Possible causes
Solutions
The door fails to open and
close. LED display does not
light.
1. Power is OFF.
2. Fuse blown.
1. Make sure that power is ON.
2. Replace fuse.
After program the open and
close limit, the motor fails to
work.
1. The screws on the tachometer
(on motor) are loose.
2. Open and close limit.
1. Tighten the two screws. See
Fig.21
2. Reprogram the open and
close limit.
The door can open but fails
to close.
Infrared photocell function is
enabled, but the photocell has
not been installed or infrared
beam is obstructed.
Make sure the infrared photocell
function is disabled. Remove
obstructions or aligning the
transmitter and receiver.
Remote control does not
work.
1. Battery level may be low.
2. Transmitter
1. Replace the battery inside the
transmitter.
2.Re-program the transmitter.
The transmitter operating
distance becomes short or
indicator
light
on
the
transmitter begins to dim.
Battery level may be low.
Replace battery.
