Chamberlain T User Guide

11
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.
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.

Chamberlain T Specifications

General

Brand	Chamberlain
Model	T
Category	Garage Door Opener
Language	English