Troubleshooting Radio Functionality - Liftmaster H Manuel D'installation

TROUBLESHOOTING RADIO FUNCTIONALITY

The error codes will display at the radio LED.
NOTE: Radio receiver is compatible with SECURITY
and keyless entry devices.
ERROR CODE DISPLAY
R1 Quick Flash
R2 No LED activity
R3 Radio LED turns
off after 30
seconds
R4 2 blinks
R5 3 blinks
R6 LMEP LED flashes Cannot close via constant pres-
+
2.0 TM remotes
SYMPTOM
No response from the remote.
No response from the remote.
The remote cannot be learned.
The remote cannot be learned.
The remote cannot be learned.
sure in C2, D1 or E2 modes.
39
POSSIBLE PROBLEM
Unlearned remote -
A user tries to use a remote, but
the RADIO LED only flashes
briefly and there is no response
from the operator.
Cannot recognize remote -
A weak signal caused by a
discharged battery or outside
interference with the remote(s)
- OR - the remote(s) being
learned is not compatible with
the operator. Antenna not
installed or damaged.
Cannot recognize remote -
A weak signal caused by a
discharged battery or outside
interference interfering with the
learn process - OR - the
remote(s) being learned is not
compatible with the operator.
Antenna not installed or
damaged.
Receiver memory full -
A user enters RADIO function
learning mode but there is no
space left to add another remote.
Duplicate remote -
A user enters RADIO function
learning and selects the function
to be learned. When the remote
button is pressed for learning, a
search reveals that remote is
already learned.
No entrapment protection device
present -
A sensing device is required to
close via constant pressure.
CORRECTION
Try re-learning the remote
(page 29).
Replace battery - OR -
eliminate interference - OR-
obtain a qualified remote - OR-
check antenna connections.
Replace battery - OR -
eliminate interference - OR-
obtain a qualified remote - OR-
check antenna connections.
Erase all learned remotes and
re-learn the desired remote.
This remote already has a function
associated with it. To change the
function, erase all learned remotes
and re-learn the desired remote.
Must connect a LiftMaster
Monitored Entrapment Protection
(LMEP) device.
Troubleshooting