Maintenance; Troubleshooting; Fuse Replacement; D Line Fuse Replacement - Icom iFR5000 Instruction Manual

n Troubleshooting
The following chart is designed to help you correct
problems which are not equipment malfunctions.
PROBLEM
Po w e r d o e s n o t • DC power cable is improperly connected.
c o m e o n w h e n
[ P O W E R ] i s
• Fuse is blown.
pushed.
No sound comes • Volume level is too low.
from 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 • Antenna feedline or the antenna connector
a n d o n l y s t r o n g has a poor contact or is short-circuited.
signals are audible.
R e c e i ve d a u d i o • Optional voice scrambler is turned OFF.
is unclear or dis- • Scrambler code is not set correctly.
torted.
O u t p u t p owe r i s • Output power is set to Low.
too low.
• Power amplifier protection circuit is activated.
N o c o n t a c t p o s - • The other station is using tone squelch.
sible with another • While in base operating mode, the repeater
station. is set to duplex.
n Fuse replacement
If a fuse blows or the repeater stops functioning, try to
find the source of the problem, and then replace the
damaged fuse with a new, rated fuse.

D Line fuse replacement

POSSIBLE CAUSE

MAINTENANCE

If you are unable to locate the cause of a problem
or solve it through the use of this chart, contact your
nearest Icom Dealer or Service Center.
SOLUTION
• Re-connect the DC power cable correctly.
• Check for the cause, then replace the fuse
with a spare one.
• Rotate [VOLUME] clockwise to obtain a suit-
able 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 the audio
mute function OFF.
• Turn the appropriate function OFF.
• Turn the front speaker ON using the optional
CS-FR5000
cloning software
dealer for details.
• Check and re-connect (or replace if neces-
sary), the antenna feedline or antenna con-
nector.
• Turn the optional voice scrambler ON.
• 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 the tone squelch function ON.
• Set the repeater to simplex, when other trans-
ceiver 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 the 20 A fuse only.
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