ICOM iFR5100 User Manual

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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.

N o  s o u n d s  f r o m  t h e 
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.

• DC power cable is improperly connected.

• Fuse is blown.

• Volume level is too low.

• 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.

•  Antenna feedline or the antenna connector 

has a poor contact or is short-circuited.

• Optional voice scrambler is turned OFF.
• Scrambler code is not set correctly.

• Output power is set to Low.

•  Power amplifier protection circuit is acti-

vated.

• The other station is using tone squelch.
•  While in base operating mode, the re-

peater is set to duplex.

• 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 

LECT] to counterclockwise to open the 
squelch. (When the [SQL Level Up/Down] 
key function is assigned to 

[SELECT].)

•  Push 

[MONI] (if assigned) to the audio 

mute function OFF.

•  Turn the appropriate function OFF.

•  Turn the front speaker ON using the op-

tional CS-FR5000 

cloning

 

software

. Ask 

your 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 

transceiver is set to simplex.

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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.

  

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.

D Line fuse replacement