Icom IC-M423 - 13 Troubleshooting

93
New2001
TROUBLESHOOTING
13
PROBLEM POSSIBLE CAUSE SOLUTION REF.
The transceiver does
not turn ON.
•Badconnectiontothepowersupply. •Checktheconnectiontothetransceiverand
power supply.
p. 83
Little or no sound comes
from the speaker.
•Squelchlevelissettoohigh.
•Volumelevelissettoolow.
•Speakerhasbeenexposedtowater.
•Setthesquelchtothethresholdpoint.
•Setthevolumetoasuitablelevel.
•RemovethewaterwiththeAquaQuakefunc-
tion.
p. 15
p. 15
p. 16
Transmitting is impossi-
ble, or high power can-
not be selected
.
•Some channels are programmed for low
power or receive only by regulations.
•Theoutputpowerissettolow.
•Changechannels.
•Push[HI/LO]toselecthighpower.
pp. 9,
10, 11
p. 11
Scan does not start. •Favoritechannelsarenotprogrammed. •Setthedesired channels asFavoritechan-
nels.
p. 18
No beep sounds. •BeeptonesareturnedOFF. •TurnthebeeptonesONintheCONFIGURA-
TION menu.
p. 78
Distress calls cannot be
transmitted.
•MMSI (DSC self ID) code is not pro-
grammed.
•ProgramtheMMSI(DSCselfID)code. p. 8