Chamberlain T User Guide

10
TESTING
TEST 3-BUTTON CONTROL STATION
1. Press OPEN button. (The door should move in the open
direction.)
2. Press STOP button. (The door should stop.)
3. Press and hold the CLOSE button. (The door should move in
the close direction.)
4. Release CLOSE button. Door should stop if in C2 or D1 mode.
Door will reverse to full open position in E2 mode. The door
should continue closing in all other modes.
5. Press STOP button. (The door should stop.)
TEST LIMIT ADJUSTMENT
1. Press OPEN button. (The door should open.)
2. Allow the door to fully open.
3. Press and hold the CLOSE button. (The door should close.)
4. Allow the door to fully close.
5. If the limits are not set properly, remove power and adjust
limits (refer to Limit Adjustment section).
TEST THE PHOTOELECTRIC SENSORS
1. Open the door.
2. Place an obstruction in the path of the photoelectric sensors.
The LMEP LED will blink on the logic board.
3. Press and hold the CLOSE button. The door should not close.
4. Remove the obstruction.
5. Press and hold the CLOSE button. Door should close.
If the LMEP is activated while closing the door should reverse.
IMPORTANT NOTES:
• Be sure you have read and understand all safety instructions
included in this manual.
• Be sure the owner or person(s) responsible for operation of the
door have read and understand the safety instructions, know
how to electrically operate the door in a safe manner and how
to manually disconnect the door from the operator.
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.
Apply power to the operator.
When power is applied to the operator, the following LED’s will
illuminate: STOP, CLOSE, OPEN, LMEP, 24Vac, RADIO, DATA,
TIMER ENABLE, OLS MID, SLS, CLS, and MAS. Once the power
up process is completed (approximately 2-3 seconds) only the
appropriate LED’s will continue to be lit:
• Between limits: 24Vac and STOP
• Fully closed position: 24Vac, STOP, CLS and SLS
• Fully opened position: 24Vac, STOP and OLS
Additional LED’s will light when device(s) are activated.
NOTE: When the power up process is over, the MAS LED will
blink a code indicating the version of firmware. If the selector dial
is in the DIAG, OPTN, or PROG position, the MAS will not provide
this code. After the code has been provided the MAS LED will go
out.

Chamberlain T Specifications

General

Brand	Chamberlain
Model	T
Category	Garage Door Opener
Language	English