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When properly located, installed and powered, the base station will perform reliably
with no anticipated problems.
Note: If the symptoms you are experiencing are not covered in this manual, or if
you are having difficulty troubleshooting your system, contact your local Firecom
dealer for assistance or see www.firecom.com for additional information.
Problem: No indication of power to the base station (green power indicator does
not illuminate).
• Check wiring to the base station.
Problem: No audio communication and/or PTT from or to the base.
• Ensure that power is turned on to the wireless headset(s) and that the
headset(s) are connected.
• Ensure that the modular communication cable is connected between the
base station and intercom.
• Check the modular communication cable between the base station and
intercom for continuity.
• Ensure correct polarity of the 6P6C plug on both ends of the modular cable
(refer to "Installation" section).
Problem: Poor quality audio, low or distorted received or transmitted audio.
• Ensure that the volume level is properly adjusted on the intercom. For 30XXR
series intercoms, it is recommended that the volume level is set as high as
possible on the intercom without causing distorted audio on the headset side,
and that the volume control on the headset is adjusted for comfortable listening.
• Poor quality audio can also be caused by a defective headset. Check
operation with a known, well functioning headset in order to determine
whether the problem is attributed to the base station.
• Ensure that the proper base station model for your intercom is used.
Problem: Audible interference from portable and mobile radios.
• The wireless system is tested and proven to be immune to interferences from
portable and mobile communication equipment operated anywhere in the
frequency spectrum from 30MHz to 18GHz. However, care should be taken
with installation of communication cables between the intercom and the base
station. These cables should be routed away from portable and mobile radios
and antenna cabling in order to prevent RF interference from such devices.
Problem: Poor coverage range.
• Check location of the base station on the vehicle. The base station should not
be installed inside metal enclosures or any other location closer than 4 inches
to a metal object or surface.
• Poor range can also be caused by a defective headset. Check operation with a
known, well functioning headset in order to determine whether the problem is
attributed to the base station.
TROUBLESHOOTING
7
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