Maintenance; Troubleshooting; Fuse Replacement; D Line Fuse Replacement - Icom IC-FR5000 Instruction Manual

Vhf dpmr and uhf dpmr repeaters
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■ Troubleshooting

The following chart is designed to help correct prob-
lems which are not equipment malfunctions.
PROBLEM
Power does not come
• The power supply is turned OFF.
ON when [POWER] is
• DC power cable is improperly connected.
pushed.
• Fuse is blown.
No sound comes from
• Volume level is too low.
the speaker.
• The squelch is closed.
• The audio mute function is activated.
• A selective call or squelch function is acti-
vated such as 5-tone call or tone squelch.
• The front speaker is set to OFF.
Sensitivity is low and
• Antenna feedline or the antenna connec-
only strong signals are
tor has a poor contact or is short-circuited.
audible.
Received signal cannot
• Optional voice scrambler is turned OFF.
be understood.
• Scrambler code is not set correctly.
Output power is too low.
• Output power is set to Low.
• Power amplifier protection circuit is acti-
vated.
No contact possible with
• The other station is using tone squelch.
another station.
• While in base operating mode, the re-
peater is set to duplex.

■ 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.

D Line fuse replacement

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.
POSSIBLE CAUSE

MAINTENANCE

SOLUTION
• Turn ON the power supply.
• Re-connect the DC power cable correctly.
• Check the cause, then replace the fuse with
a spare one.
• Rotate [VOLUME] clockwise to obtain a
suitable listening level.
• While in base operating mode, 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.
• Turn OFF the appropriate function.
• Turn ON the front speaker using the optional
CS-FR5000(dPMR)
cloning software
your dealer for details.
• Check and re-connect (or replace if neces-
sary) the antenna feedline or antenna con-
nector.
• Turn ON the optional voice scrambler.
• Reset the scrambler code.
• Push [HIGH/LOW] (if assigned) to select
the High power.
• Cool down the repeater or stop accessing to
the repeater until it has cooled down.
• Turn ON the tone squelch function.
• Set the repeater to simplex, when other
transceiver is set to simplex.
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.
4
REF.
pp. 5, 6
p. 8
p. 7
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p. 7
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5
. Ask
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p. 5
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