Troubleshooting - Icom IC-91A Instruction Manual

14

TROUBLESHOOTING

If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center.
PROBLEM
No power comes ON.
No sound comes from the
speaker.
Transmitting is impossible.
No contact possible with
another station.
Frequency can not be set.
Program scan function
can not start.
Memory scan function can
not start.
The displayed frequency is
not properly.
Can not charge the battery
with BC-139 (LED blinks
orange).
122
POSSIBLE CAUSE
• The batteries are exhausted.
• The battery polarity is reversed.
• Volume level is too low.
• Different tone is selected with tone/DTCS
squelch.
• The batteries are exhausted.
• A frequency outside of the 144/440 MHz
amateur bands is set.
• Different tone is selected with tone/DTCs
squelch.
• The lock function is activated.
• Memory or call channel is selected.
• Memory mode is selected.
• Same frequencies are programmed both
"✱A" and "✱B" of PROGRAM-CH.
• VFO mode is selected.
• The programmed memory channel is only
one.
• The CPU is malfunctioned.
• Depends on external factors.
• Turn the transceiver's power is ON.
SOLUTION
• Replace the batteries or chage 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 using tone scan.
• Push [MENU/LOCK] for 1 sec. to cancel the function.
• Push [VFO/MHz] to set VFO mode.
• Push [VFO/MHz] to set VFO mode.
• Programming different frequencies to "✱A" and "✱B" re-
spectively.
• Push [MR/S.MW] to set memory mode.
• Program more than 2 memory channels.
• Reset the transdeiver.
• Re-attach the battery pack or battery case.
• Turn the transceiver's power OFF, or insert the battery
pack only into BC-139 to chage it.
REF.
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