Icom IC-M45A [21/24] Troubleshooting

TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION REF.

No power comes on. • Power cord not connected properly.

• Blown fuse.

• Check the power cord connection.

• Check the polarity of the power connection,

then, replace the fuse.

p. 14

p. 13

No sound comes from the

speaker.

• [SQUELCH] is rotated too far clockwise. • Rotate [SQUELCH] counterclockwise to a

suitable position.

p. 7

Sensitivity is low and only

strong signals are audible.

• [SQUELCH] is rotated too far clockwise.

• Antenna feedline or the antenna connector

solder has poor contact or is short circuited.

• Rotate [SQUELCH] counterclockwise to a

suitable position.

• Check, and if necessary, replace the feedline or

solder the antenna connector again.

p. 7

p. 14

Transmitting is impossible or

high power cannot be

selected.

• Transmission is restricted on some channels. • Change channels. p. 18

Desired channel cannot be

selected.

• Different channel group is selected. • Push [CH/WX] + [H/L] to select the appropriate

channel group (U.S.A., INT or CAN).

p. 6

No display backlighting. • Backlight function is turned OFF. • While pushing [H/L • DIM], push [UP]/[DN] to

select the desired brightness.

p. 10

Scan does not start. • No “TAG” channels are programmed. • Set channels to be scanned as “TAG” channels. p. 9

No beeps sound even when a

switch is pushed.

• Beep function is turned OFF. • Set beeps to ON in SET mode. p. 12