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43
MAXIMUM RUN TIMER (MRT)
Feature: The operator can learn the time required to open or close a
door plus an additional 10 seconds.
Benefi t: If the operator does not meet the open or close contact
limit switch within the set time, the operator will stop, limiting
potential damage to the door and operator.
To Program:
NOTE: The factory default setting for the MRT is 90 seconds. To
manually set the MRT follow the steps below.
1. Close the door.
2. Set the selector dial to PROG.
3. Press and release the MRT button on the logic board.
4. Press the OPEN button and wait for the door to reach the full
open limit.
5. Once the door has reached the open position, programming is
complete.
6. Turn selector dial to desired wiring type.
NOTE: To reset MRT feature, turn selector dial to PROG and press
and hold the MRT button until the MAS LEDfl ashes rapidly.
Operation will vary
depending on wiring
type
SELECTOR DIAL
Programming
RESETTING FACTORY DEFAULTS -
CLEARING MEMORY
To reset most of the user installed settings back to factory defaults:
1. Turn the selector dial to DIAG.
2. Press and hold the STOP button for 5 seconds. The MAS LED
will fl ash momentarily when the factory defaults have been
restored.
3. Return the selector dial to the desired wiring type.
Factory Defaults:
a. Timer-To-Close = 0 seconds.
b. The Mid-Stop is deactivated.
c. The Maintenance Alert System is deactivated.
d. Maximum Run Timer = 90 seconds.
e. Car Dealer Mode is deactivated.
f. Remote controls and myQ devices will still be learned.
g. Remote control programming via the 3-button station is
deactivated.
h. LiftMaster Monitored Entrapment Protection (LMEP)Device(s)
will be deleted from the operator memory. NOTE: To delete
LMEP Device(s) from the operator memory, the LMEP Device(s)
must be disconnected prior to reset.
NOTE: Life of Operator feature (Odometer/Cycle Counter) and
programmed remote controls and myQ devices are not cleared.
Operation will vary
depending on wiring
type
SELECTOR DIAL
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