Troubleshooting - Icom IC-91A Instruction Manual

If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center.
PROBLEM
• The batteries are exhausted.
No power comes ON.
• The battery polarity is reversed.
• Volume level is too low.
No sound comes from the
• Different tone is selected with tone/DTCS
speaker.
squelch.
• The batteries are exhausted.
Transmitting is impossible.
• A frequency outside of the 144/440 MHz
amateur bands is set.
• Different tone is selected with tone/DTCS
No contact possible with
squelch.
another station.
• The lock function is activated.
Frequency can not be set.
• Memory mode or call channel is selected.
Program scan function • Memory mode or call channel is selected.
• Same frequencies are programmed both
can not start.
"✱A" and "✱B" of PROGRAM-CH.
Memory scan function can • VFO mode or call channel is selected.
• The programmed memory channel is only
not start.
one.
The displayed frequency is • The CPU malfunctioned.
• External factors caused a fault.
erroneous.
Can not charge the battery • Turn the transceiver's power ON.
with BC-139 (LED blinks
orange).
POSSIBLE CAUSE

TROUBLESHOOTING

SOLUTION
• Replace the batteries or charge the battery pack.
• Check the battery polarity.
• Rotate [VOL] to suitable level.
• Check the tone using tone/DTCS scan.
• Replace the batteries or charge the battery pack.
• Reset the frequency within 144/440 MHz amateur
bands.
• Check the tone/DTCS using tone scan.
• Push [MENU/LOCK] for 1 sec. to cancel the function.
• Push [VFO] to set VFO mode.
• Push [VFO] to set VFO mode.
• Programming different frequencies in "✱A" and "✱B"
respectively.
• Push [MR] to set memory mode.
• Program more than 2 memory channels.
• Reset the transceiver.
• Remove and re-attach the battery pack or battery
case.
• Turn the transceiver's power OFF, or insert only the
battery pack into the BC-139 to charge it.
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REF.
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pgs. 1, 10–12
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p. 12
p. 20
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p. 110
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pgs. 1, 10–12
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p. 24
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p. 112
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p. 25
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p. 15
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p. 15
p. 74
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p. 15
p. 66
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p. 118
p. 1
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pgs. 11 ,20
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