· Possible defective master.
If the unit has hum, popping, or audible oscillation:
· Check that room station and patio connectors are terminated
correctly. (Remove room stations from the master one at a time to
identify the source of the interference.)
· Check for shorts on intercom station cable runs.
· Check that cable runs are not too close to AC lines.
· Check that room stations and master are not mounted too close
to electrical equipment. (i.e. TV, Cordless phones, microwave oven,
etc.)
· Check that master is on a dedicated 120 Volt 15 amp circuit
breaker.
· Possible defective transformer (TE5).
· Possible defective master.
If there is no communication to the door:
· Make sure to perform “DOOR TALK” correctly. (press “Listen”
and “Talk” simultaneously to talk to the door. Release to listen to
the door).
· Check that door speaker is connected properly at master unit
and door station.
· Check for short or open on door station cable.
· Check that master is not in “off” position
· Check that intercom and master volume levels are set properly.
· Possible defective door station.
· Possible defective master.
If there is no chime, or continuous chime:
· Check that the chime module (MC3 or MC8) is connected
correctly to the master unit.
· Check that the bell button wires are connected to screws on
back of bell button. (Bell button should be lit if connected properly
to the chime module.)
