4
8
MAINTENANCE
PROBLEM POSSIBLE CAUSE SOLUTION REF.
■ Troubleshooting
The following chart is designed to help correct prob-
lems which are not equipment malfunctions.
If you are unable to locate the cause of a problem or
solve it through the use of this chart, contact the near-
est Icom Dealer or Service Center.
Power does not come
ON when [POWER] is
pushed.
No sound comes from
the speaker.
Sensitivity is low and
only strong signals are
audible.
Received signal cannot
be understood.
Output power is too low.
No contact possible with
another station.
•ThepowersupplyisturnedOFF.
•DCpowercableisimproperlyconnected.
•Fuseisblown.
•Volumelevelistoolow.
•Thesquelchisclosed.
•Theaudiomutefunctionisactivated.
•Aselectivecallorsquelchfunctionisacti-
vated such as 5-tone call or tone squelch.
•ThefrontspeakerissettoOFF.
•Antennafeedlineortheantennaconnec-
tor has a poor contact or is short-circuited.
•OptionalvoicescrambleristurnedOFF.
•Scramblercodeisnotsetcorrectly.
•OutputpowerissettoLow.
•Poweramplier protectioncircuitisacti-
vated.
•Theotherstationisusingtonesquelch.
•While in base operating mode, the re-
peater is set to duplex.
•TurnONthepowersupply.
•Re-connecttheDCpowercablecorrectly.
•Checkthecause,thenreplacethefusewith
a spare one.
•Rotate [VOLUME] clockwise to obtain a
suitable listening level.
•Whileinbaseoperatingmode,rotate[SE-
LECT] to counterclockwise to open the
squelch. (When the [SQL Level Up/Down]
key function is assigned to [SELECT].)
•Push[MONI] (if assigned) to turn OFF the
audio mute function.
•TurnOFFtheappropriatefunction.
•TurnONthefrontspeakerusingtheoptional
CS-FR5000(dPMR)
c l o n i n g s o f t w a r e . Ask
your dealer for details.
•Checkandre-connect(orreplaceifneces-
sary) the antenna feedline or antenna con-
nector.
•TurnONtheoptionalvoicescrambler.
•Resetthescramblercode.
•Push [HIGH/LOW] (if assigned) to select
the High power.
•Cooldowntherepeaterorstopaccessingto
the repeater until it has cooled down.
•TurnONthetonesquelchfunction.
•Set the repeater to simplex, when other
transceiver is set to simplex.
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pp. 5, 6
p. 8
p. 7
p. 7
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–
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p. 5
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–
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■ Fuse replacement
If a fuse blows, or the repeater stops functioning, track
down the source of the problem, have it repaired, and
replace the damaged fuse with a new rated one.
CAUTION: DISCONNECT the DC power cable from
the repeater. Otherwise, there is danger of electric
shock and/or equipment damage.
Fuse rating: 20 A
USE only a 20 A fuse.
D Line fuse replacement
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