Icom IC-02A/AT/E Instruction Manual page 46

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Your IC-O2A/AT/E has been tested very carefully at the factory
before shipping. The chart below has been designed to help you
correct any problems which are not equipment malfunctions. If you
are not able to locate the problem and/or solve it through use of this
chart, please contact your dealer or the nearest ICOM service center
for assistance.
Problem Possible Cause | Solution
1. Power does not come
ON when the switch is
turned.
Bad connection of the power pack. Check the connection of the power
pack and correct any problems.
Reverse polarity of one or more | Check the polarity of each battery
batteries (when using IC-BP4). and replace them into the pack.
The battery is exhausted. Replace the battery with a new one
or recharge it.
2. No sound comes from
the speaker.
VOLUME CONTROL knob iscom- | Turn the Knob clockwise to a
pletely counterclockwise. suitable level.
The unit is in the transmit mode, | Put the unit in the receive mode.
by the PTT switch.