Icom IC-M90 Marine Radio User Manual


 
28
TROUBLESHOOTING
12
The transceiver does
not turn ON.
No sound from the
speaker.
Transmitting is impos-
sible, or high power
can not be selected.
The displayed channel
cannot be changed.
Scan does not start.
No beeps.
Self check error.
(Temperature)
Self check error.
(Battery voltage)
Transmitting continu-
ously while not speak-
ing when using VOX
function.
The battery is exhausted.
Bad connection to the battery pack.
Squelch level is too deep.
Volume level is too low.
Speaker has been exposed to water.
Water has entered to [SP MIC] connector.
Some channels are for low power or re-
ceive only.
The battery is exhausted.
The battery is over charged.
The output power is set to low.
Lock function is activated.
•“TAG channels are not programmed.
Beep tones are turned OFF.
The temperature is outside of 35°C to
+73°C; 31°F to +163°F (approx)
The connected battery packs voltage is
more than 11 V.
Ambient noise is too loud.
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 [SP MIC] connector.
Change channels.
Recharge the battery pack.
Verify the battery voltage is correct.
Push [Hi/Lo ] to select high power.
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) on 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.
p. 22
p. 3
p. 9
p. 9
pgs. 8,
9, 29
p. 23
p. 9
p. 10
p. 13
p. 17
p. 21
PROBLEM POSSIBLE CAUSE SOLUTION REF.