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MAINTENANCE
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2
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12
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BASIC MANUAL
■
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
POSSIBLE CAUSE
SOLUTION
REF.
Transceiver does not
turn ON.
The battery is exhausted.
Charge the battery pack, or
replace the batteries.
Loose the connection of a
battery pack (case).
Clean the battery terminals.
—
The battery polarity in the
battery case is reversed.
Check the battery polarity in
the case.
—
No sound comes from
the speaker.
The volume level is too low. Rotate [VOL] to adjust the
level.
The squelch level is too high. Adjust the squelch level.
The tone or digital squelch
function is turned ON.
Turn OFF the tone or digital
squelch function.
AM
An external speaker is
connected to the [SP] jack.
Check the external speaker
connection.
—
A Bluetooth headset is
connected.
Disconnect the headset.
Sensitivity is too low,
and only strong signals
are heard.
The coaxial cable is not
connected or shorted
(External antenna is used).
Check the coaxial cable
connection or replace it with
a new one.
—
The Attenuator function is
turned ON.
Turn OFF the attenuator.
No reply is received
after a call.
The duplex function is set,
the receive and transmit
frequencies are different.
Set for simplex operation.
AM
No station is in range or on
the same frequency.
Wait for a while, and try
again.
—
Frequency cannot be
set.
The Key Lock function is
activated.
Cancel the Key Lock
function.
The VFO mode is not
selected.
Push [VFO/MHz] to select
the VFO mode.
The displayed
frequency is
erroneous.
The CPU has malfunctioned. Reset the transceiver.
External factors have
caused a fault.
Remove and reattach the
battery pack/case.