32
9
MAINTENANCE
New2001
9
BASIC MANUAL
■
Troubleshooting
The following chart is designed to help you correct problems 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 your nearest Icom Dealer or
Service Center.
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Transceiver does not turn
ON.
• The battery is exhausted.
• The battery polarity is reversed.
•
Loose connection of a battery pack
(case).
• Charge the battery pack, or replace
the batteries.
• Check the battery polarity in the case.
• Clean the battery terminals.
p
. 6
—
—
No sound comes from the
speaker.
• Volume level is too low.
• Squelch level is too high.
• An external speaker is connected to
the [SP] jack.
• Rotate [VOL] to adjust the level.
• Adjust the squelch level.
• Check the external speaker
connection.
p
. 7
p. 11
—
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 with a new one.
—
No reply is received after
a call.
• The duplex is set, and the receive and
transmit frequencies are different.
•
No station is in range or on the same
frequency.
• Set the simplex operation.
• Wait for a while, and try again.
ADVANCED
MANUAL
(Section 10)
Frequency cannot be set.
• The Key Lock function is activated.
• The VFO mode is not selected.
• Cancel the Key Lock function.
• Push [V/MHz] to select the VFO mode.
p
. 14
p. 13
The displayed frequency is
erroneous.
• The CPU has malfunctioned.
• External factors have caused a fault.
• Reset the transceiver.
• Remove and reattach the battery
pack/case.
p. 31
p. 5
Содержание ID-31A PLUS
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