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INSTALLER'S TROUBLESHOOTING GUIDE
TROUBLE
Hum in remote speakers.
A select call from the master
station to a remote station is
not functioning (but the radio
operates properly at each
remote speaker location).
No radio or intercom from the
remote speakers (Radio
operates properly at the
master station).
Remote speakers may
communicate with each other
but the master station does
not function.
No door communication.
Cannot receive a radio station
that is being received by
another radio in the home.
The master station will not go
into the note mode.
POSSIBLE CAUSE
The intercom wiring has been run
too close to the household AC
power wiring.
Wire installation.
Interference from household
electrical fixtures.
Wire installation.
*
Improperly set station code
selector switch.
Improper wiring installation at the
master station.
No electrical power to the remote
speakers.
Defective transformers.
No electrical power to master
station.
Defective transformer.
Wire installation.
Speaker.
Incorrect door speaker volume
setting.
Faulty antenna connection.
Improper antenna installation.
A cassette tape has not been put
into the master station.
Recording lockout tabs have been
removed from cassette tape.
POSSIBLE REMEDY
Be certain the intercom wiring is as far away as practical
from the household AC power wiring. Do not run the
intercom wiring parallel to the AC power wiring.
Check the ORN, ORN/WHT, RED, RED/WHT wires for
shorts or opens at the master station and at each remote
speaker location.
A dimmer or fluorescent light may cause interference.
Filters should be used for dimmer or fluorescent light
interference (G.E. 89G635 or equivalent – purchase
locally).
Check BLK, BLK/WHT (serial data) wires to be certain
they are properly connected to the master station and
each remote speaker location.
Check to make sure the station code has been set at all
stations and no two stations have the same station code.
Check the wiring going to the remote speaker connector
at the master station.
Be certain 120vAC, 60Hz power has been provided to
the primarys of both 401T transformers.No less than
24vAC should be measured on the secondary of either
transformer.
Replace transformer.
Be certain 120vAC, 60Hz power has been provided to
the primarys of both 401T transformers.No less than
24vAC should be measured on the secondary of either
transformer.
Replace transformer.
Check the wires to door terminals at door speakers and
at the master station.
Check BLK, BLK/WHT (serial data) wires to be certain
they are properly connected to the master station and
each remote speaker location.
Check the continuity of the door speaker.
Follow "Setting Door Speaker Volume Level" instructions
in this booklet. NOTE: This setting effects only the audio
going to the door speaker.
Be certain the antenna connector is properly connected
to the antenna pins located in the upper right corner of
the master station.
The antenna should be located in the attic (refer to the
antenna instructions).
Place dedicated message tape into the master station.
Cassette tape that has recording lockout tabs must be
used. Or place a piece of masking tape over the holes
located in the two (2) corners of the tape.
14
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