Troubleshooting – Icom VHF MARINE TRANSCEIVER IC-M501EURO User Manual

Page 27

TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

SOLUTION

REF.

No power comes ON.

• Bad connection to the power supply.

• Check the connection to the transceiver.

p. 18

No sound comes from
the speaker.

• Squelch level is too deep.
• Volume level is too low.
• Speaker has been exposed to water.

• Set squelch to the threshold point.
• Set [VOL] to a suitable level.
• Drain water from the speaker.

p. 8
p. 8

—

Transmitting is impossi-
ble, or high power can-
not be selected.

• Some channels are for low power or re-

ceive only.

• The output power is set to low.

• Change channels.

• Push [HI/LO] to select high power.

pgs.
6, 24
p. 8

Scan does not start.

• “TAG” channel is not programmed.

• Set the desired channels as “TAG” chan-

nels.

p. 13

No beep sounds.

• Beep tone is turned OFF.

• Turn the beep tone ON in SET mode.

p. 15

Receive signal cannot
be understood.

• Optional voice scrambler is turned OFF.
• Scramble code is not set correctly.

• Turn the optional voice scrambler ON.
• Reset the scramble code.

p. 10
p. 16

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