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Troubleshooting
Intercom does not function.
It is normal for LEDs to go out if intercom has been
inactive for 5 minutes. The LEDs should light after a
button is pressed or a signal is received.
Check batteries in Intercom.
Ensure intercom is connected to a network.
See Program.
Ensure that intercoms are on the same channel. See
Operation & Features.
Intercom is not getting expected transmission
range.
Keep Intercom away from trees, metal objects and
electrical wiring.
Intercom does not activate the gate.
If there is no communication between the intercom
and a primary device (like the GAPLM), the Channel
Light on the intercom will light solid for 10 seconds
without any additional audio warnings.
Relocate the intercom or primary device or use
repeaters to complete radio link.
Intercom emits a siren noise after Remote button
is activated.
Verify the GCU is within range of the intercom or
intercom systems. Repeaters may be required to
allow intercoms to communicate with the GCU.
Replace batteries in the GCU.
NOTICE: To comply with FCC and or Industry Canada rules (IC), adjustment or modifications of this receiver and/or transmitter are prohibited,
except for changing the code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
114A3532B
FOR TECHNICAL SUPPORT DIAL OUR TOLL FREE NUMBER:
1-800-528-2806
www.liftmaster.com
© 2008, The Chamberlain Group Inc.
Intercom beeps every ten minutes.
The battery is low in the intercom. Replace with
C batteries.
NOTE: To prevent damage to the circuit DO NOT use
C size Lithium batteries.
Need to clear intercom's memory.
Press and hold both buttons. Two beeps will be heard
and the channel lights will begin to cycle. Continue to
hold until a third beep is heard (about 15 seconds).
Ensure other intercoms are not activated during this
time. Intercoms in the network that are on will signal
during the clearing process. Once memory is clear
the intercom can be programmed to a new network.
Static and feedback is heard in intercom.
The intercoms are too close to each other. A cordless
phone, cell phone, or other radio devices can also
cause static.
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