Troubleshooting - Icom IC-M90E Instruction Manual

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PROBLEM
The transceiver does
• The battery is exhausted.
not turn ON.
• Bad connection to the battery pack.
No sound from the
• Squelch level is too deep.
speaker.
• Volume level is too low.
• Speaker has been exposed to water.
• Water has entered to [MIC/SP] connector.
Transmitting is impos-
• Lock function is activated.
sible, or high power
can not be selected.
• The battery is exhausted.
• The battery is over charged.
The displayed channel
• Lock function is activated.
cannot be changed.
Scan does not start.
• "TAG" channels are not programmed.
No beeps.
• Beep tones are turned OFF.
Self check error.
• The temperature is outside of –35°C to
(Temperature)
+73°C (approx)
Self check error.
• The connected battery pack's voltage is
(Battery voltage)
more than 11 V.
Transmitting continu-
• Ambient noise is too loud.
ously while not speak-
ing when using VOX
function.
POSSIBLE CAUSE

TROUBLESHOOTING

SOLUTION
• Recharge the battery pack.
• Check the connection to the transceiver.
• Set squelch to the threshold point.
• Rotate [VOL] to set a suitable level.
• Drain water from the speaker.
• Dry [MIC/SP] connector.
• Push [Hi/Lo•
] for 1 sec. to cancel the
function.
• Recharge the battery pack.
• Verify the battery voltage is correct.
• Push [Hi/Lo•
] for 1 sec. to cancel the
function.
• Set the desired channels as "TAG" channels.
• Set the beep tones to ON (Fix Beep/User
Beep) in the SET mode.
• Leave the transceiver at room temperature
for a while. Turn the power ON to check if the
internal temperature has returned to normal.
• Verify the battery voltage is correct.
• Remove the headset cable.
• Set the VOX gain to dulling.
12
REF.
pgs. 23,
25
p. 3
p. 11
p. 9
p. 10
pgs. 23,
25
p. 10
11
p. 13
12
p. 17
p. 21
28

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