Owner's Manual

To locate a dealer in your area visit us online at www.liftmaster.com
Every 3 months or 5,000 cycles repeat all tests in the Testing section.
Call a trained door systems technician. To locate a dealer in your area visit us online at www.liftmaster.com.
The operator should be serviced at the following intervals:
• Every 3 months or 5,000 cycles
• Every 6 months or 10,000 cycles
• Every 12 months or 20,000 cycles
TROUBLESHOOTING
MAINTENANCE SCHEDULE
To avoid SERIOUS personal INJURY or DEATH:
• Disconnect electric power BEFORE performing ANY
adjustments or maintenance.
• ALL maintenance MUST be performed by a trained door
systems technician.
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
WARNING
CAUTION
WARNING
WARNING WARNING
PRECAUCIÓN
ADVERTENCIA
ADVERTENCIA ADVERTENCIA
CONDITION POSSIBLE CAUSE FIX
OPERATOR WILL NOT
RESPOND TO ANY
COMMANDS
No power
➤ Check circuit breaker.
Accessory failure
➤ Verify photoelectric sensors are aligned.
Possible component failure
➤ Contact your installing dealer.
OPERATOR MAKES
NOISE BUT DOOR
DOES NOT MOVE
Operator requires adjustment
➤ Contact your installing dealer.
DOOR DRIFTS AFTER
OPERATOR STOPS
Operator or door requires
adjustment
➤ Contact your installing dealer.
DOOR OPENS/
CLOSES TOO FAR
Operator requires adjustment
➤ Contact your installing dealer.
DOOR REVERSES
UNEXPECTEDLY
Entrapment protection device
activated
➤ Verify photoelectric sensors are aligned. If photoelectric sensors are
aligned and operator still does not operate properly, contact your
installing dealer.
RADIO FUNCTIONALITY
NO RESPONSE
Remote control is not
programmed
➤ See PROGRAMMING REMOTE CONTROLS section.
Low battery
➤ Replace battery.
REMOTE CANNOT BE
PROGRAMMED
Low battery
➤ Replace battery.
POOR RANGE
Low battery in remote
➤ Replace battery.
Possible radio interference
➤ Contact your installing dealer.
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