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24
TEST EDGE SENSORS (IF APPLICABLE)
Testing
TEST 3-BUTTON CONTROL STATION
NOTE: Door travel should stop when the OPEN or CLOSE limits
are activated. If door drifting is occurring, spring tension on the
door will have to be checked, or a brake may be added to the
operator. (Note - For Logic 5.0, brake is standard on all models
larger than 1/2HP. Brake can be fi eld-installed for 1/3 and
1/2 HP T, H, J, DJ, HJ and DHJ).
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.
TESTING
To avoid SERIOUS personal INJURY or DEATH:
• Disconnect electric power BEFORE performing ANY
adjustments or maintenance.
• ALL maintenance MUST be performed by an Authorized
Service Technician.
When testing the operator, the operator should be set to C2 wiring
type (factory default).
Apply power to the operator.
When power is applied to the operator, all the LEDs will illuminate
with the exception of SBC, relay A, relay B, and the Timer Defeat.
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 completed, the MAS LED will
blink a code indicating the version of fi rmware. 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.
1
Open the door.
1
Open the door.
2
Place an obstruction in the path of the photoelectric sensors.
The LMEP LED will blink on the logic board.
2
Place an obstruction in the path of the door.
3
Press and hold the CLOSE button. The door should not close.
3
Press and release the CLOSE button. The door should stop
and/or reverse.
4
Remove the obstruction.
4
Remove the obstruction. Press and release the CLOSE button.
The door should fully close.
5
Press and hold the CLOSE button. Door should close.
*If the LMEP is activated while closing, the door should
reverse.
NOTE: The Logic 5.0 logic board will automatically learn the
LMEP Device once it is properly connected. If the LMEP Device is
misaligned, activated, or disconnected the LMEP LED on the logic
board will blink on and off. You can close the door by entering
the Restricted Close (RC) mode by holding the close button. The
operator will begin closing after 5 seconds and will continue to
close to the Close Limit or when the close button is released.
To unlearn the LMEP Device, turn the selector dial to DIAG, push
and hold the stop button until the MAS LED fl ashes. Without the
LMEP Device connected the only mode of operation will be B2,
D1 or E2. To Erase the LiftMaster Entrapment Protection (LMEP)
Device, turn the selector dial to DIAG, push and hold the stop
button until the MAS LED fl ashes. If an LMEP is not connected,
the only mode of operation is C2, D1, or E2.
1
Press OPEN button. (The door should move in the open
direction.)
1
Press OPEN button. (The door should open.)
2
Press STOP button. (The door should stop.)
2
Allow the door to fully open.
3
Press and hold the CLOSE button. (The door should move in
the close direction.)
3
Press and hold the CLOSE button. (The door should close.)
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
4
Allow the door to fully close.
5
Press STOP button. (The door should stop.)
5
If the limits are not set properly, remove power and adjust
limits (refer to Limit Adjustment section).
TEST LIMIT ADJUSTMENT
TEST PHOTOELECTRIC SENSORS (IF APPLICABLE)
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