Icom IC-M503 instruction manual Troubleshooting, Problem, Possible Cause, Solution

Models: IC-M503

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TROUBLESHOOTING

 

 

 

 

 

9

 

 

TROUBLESHOOTING

 

 

 

 

 

PROBLEM

POSSIBLE CAUSE

 

SOLUTION

REF.

No power comes ON.

• Bad connection to the power supply.

 

• Check the connection to the transceiver.

p. 19

 

 

 

 

 

No sound comes from

• Squelch level is too deep.

 

• Set squelch to the threshold point.

p. 8

the speaker.

• Volume level is too low.

 

• Set [VOL] to a suitable level.

p. 8

 

• Speaker has been exposed to water.

 

• Drain water from the speaker.

 

 

 

 

 

Transmitting is impossi-

• Some channels are for low power or re-

 

• Change channels.

pgs.

ble, or high power can -

ceive only.

 

 

 

6, 26

not be selected.

• The output power is set to low.

 

• Push [HI/LO] to select high power.

p. 8

 

 

 

 

 

Scan does not start.

• “TAG” channel is not programmed.

 

• Set the desired channels as “TAG” chan-

p. 13

 

 

 

nels.

 

 

 

 

 

 

No beep sounds.

• Beep tone is turned OFF.

 

• Turn the beep tone ON in SET mode.

p. 15

 

 

 

 

 

Receive signal cannot

• Optional voice scrambler is turned OFF.

 

• Turn the optional voice scrambler ON.

p. 10

be understood.

• Scramble code is not set correctly.

 

• Reset the scramble code.

p. 16

 

 

 

 

 

 

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Page 29
Image 29
Icom IC-M503 instruction manual Troubleshooting, Problem, Possible Cause, Solution