Troubleshooting - Icom IC-M401EURO Instruction Manual

Vhf marine transceiver
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8

TROUBLESHOOTING

PROBLEM
No power comes ON.
No sound comes from
the speaker.
Transmitting is impossible, • Some channels are for low power or
or high power cannot be
selected.
Scan does not start.
No beep sounds.
22
POSSIBLE CAUSE
• Bad connection to the power supply.
• Squelch level is too deep.
• Volume level is too low.
• Speaker has been exposed to water.
receive only.
• The output power is set to low.
• "TAG" channel is not programmed.
• Beep tone is turned OFF.
SOLUTION
• Check the connection to the transceiver. p. 17
• 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.
REF.
p. 8
p. 8
pgs.
8, 23
p. 8
p. 13
p. 15

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