Icom IC-M402 [44/50] Troubleshooting

Icom IC-M402 [44/50] Troubleshooting
38
11
TROUBLESHOOTING
PROBLEM REF.POSSIBLE CAUSE SOLUTION
No power comes ON.
No sound comes from
the speaker.
Scan does not start.
Transmitting is impossi-
ble, or high power can-
not be selected.
No beep sounds.
Distress call cannot be
transmitted.
Squelch level is too deep.
Volume level is too low.
Speaker has been exposed to water.
Bad connection to the power supply.
Some channels are for low power or
receive only.
The output power is set to low.
TAG channel is not programmed.
Beep tone is turnd OFF.
The squelch is open.
MMSI (DSC self ID) code is not pro-
grammed.
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.
p. 22
p. 6
p. 6
p. 5,27
p. 6
p. 10
p. 21
p. 6
p. 11
00_IC-M402_S.qxd 02.2.21 0:09 PM Page 38 (1,1)

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