■ Troubleshooting
The following chart is designed to help you correct problems that 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 your nearest Icom Dealer or Service Center.
L "AM" indicates the PDF type Advanced Manual.
PROBLEM
Transceiver does not
turn ON.
No sound comes from
the speaker.
Sensitivity is too low,
and only strong signals
are heard.
No reply is received
after a call.
Frequency cannot be
set.
The displayed
frequency is
erroneous.
POSSIBLE CAUSE
The battery is exhausted.
Loose the connection of a
battery pack (case).
The battery polarity in the
battery case is reversed.
The volume level is too low.
The squelch level is too high.
The tone or digital squelch
function is turned ON.
An external speaker is
connected to the [SP] jack.
A Bluetooth headset is
connected.
The coaxial cable is not
connected or shorted
(External antenna is used).
The Attenuator function is
turned ON.
The duplex function is set,
the receive and transmit
frequencies are different.
No station is in range or on
the same frequency.
The Key Lock function is
activated.
The VFO mode is not
selected.
The CPU has malfunctioned. Reset the transceiver.
External factors have
caused a fault.
MAINTENANCE
SOLUTION
Charge the battery pack, or
replace the batteries.
Clean the battery terminals.
Check the battery polarity in
the case.
Rotate [VOL] to adjust the
level.
Adjust the squelch level.
Turn OFF the tone or digital
squelch function.
Check the external speaker
connection.
Disconnect the headset.
Check the coaxial cable
connection or replace it with
a new one.
Turn OFF the attenuator.
Set for simplex operation.
Wait for a while, and try
again.
Cancel the Key Lock
function.
Push [VFO/MHz] to select
the VFO mode.
Remove and reattach the
battery pack/case.
10
1
2
3
REF.
4
p. 6
5
—
6
—
7
p. 7
8
9
p. 12
AM
10
11
—
12
p. 33
13
—
14
15
p. 16
16
AM
17
—
18
p. 20
p. 14
p. 37
p. 5
38
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