Troubleshooting - Icom IC-M402 Instruction Manual

PROBLEM
No power comes ON. Bad connection to the power supply.
No sound comes from Squelch level is too deep.
the speaker. Volume level is too low.
Speaker has been exposed to water.
Transmitting is impossi- Some channels are for low power or
ble, or high power can- receive only.
not be selected. The output power is set to low.
Scan does not start. TAG channel is not programmed.
No beep sounds.
Beep tone is turnd OFF.
The squelch is open.
Distress call cannot be
MMSI (DSC self ID) code is not pro-
transmitted. grammed.
POSSIBLE CAUSE

TROUBLESHOOTING

SOLUTION
Check the connection to the transceiver.
Set squelch to the threshold point.
Set [VOL] to a suitable level.
Drain water from the speaker.
Change channels.
Push [H/L] to select high power.
Set the desired channels as TAG channels.
Turn the beep tone ON in set mode.
Set squelch to the threshold point.
Program the MMSI (DSC self ID) code.
11
REF.
p. 22
p. 6
p. 6
p. 5,27
p. 6
p. 10
p. 21
p. 6
p. 11
38