| 17
Troubleshooting | NSPL-400 User Manual
Troubleshooting
Issue Possible cause and remedy
Power indicator not
illuminated
Check power supply connections and fuse
or circuit breaker
Check polarity of power supply connections
Check power supply voltage
‘VHF’ indicator does
not illuminate when
VHF Radiotelephone is
transmitting
Check the antenna output of the VHF
Radiotelephone is connected to the antenna
splitter input labelled ‘VHF’
‘AIS’ indicator does
not illuminate when
AIS transceiver is
transmitting
Check the antenna output of the AIS
transceiver is connected to the antenna
splitter input labelled ‘AIS’
Clicks or pops
are heard from
a connected FM
broadcast receiver
This is normal and may occur during VHF or
AIS transmission
VHF or AIS
transmission range is
reduced
A small reduction in transmission range is
normal and due to the insertion loss of the
antenna splitter
Both the ‘AIS’ and ‘VHF’
indicators illuminate
when the VHF radio is
transmitting
This is normal operation with some brands
of VHF radio and not a fault. Function of the
antenna splitter is unaffected
If the guidance given in the table above does not rectify the prob-
lem you are experiencing please contact your dealer for further
assistance.
5
To Next Page
Loading...
Need help?
General