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