Troubleshooting - Icom IC-M21 Instruction Manual

9

TROUBLESHOOTING

PROBLEM
No power comes ON.
No sound comes from
the speaker.
Transmitting is impossi-
ble, or high power can
not be selected.
The display channel
cannot be changed.
Scan does not start.
No beeps sound.
Self check error.
(Temperature error)
Self check error.
(Battery voltage error)
Self check error.
(Water intrusion error)
23
POSSIBLE CAUSE
• The battery is exhausted.
• Bad connection to the battery pack.
• Squelch level is too deep.
• Volume level is too low.
• Speaker has been exposed to water.
• Some channels are for low power or re-
ceive only.
• The battery is exhausted.
• The output power is set to low.
• Lock function is activated.
• "TAG" channels are not programmed.
• Beep tones are turned OFF.
• Transceiver's inside temperature is below
–20°C (–4°F) or above +60°C (+120°F).
• The connected battery pack's voltage is
more than 11 V.
• Water has entered the transceiver.
SOLUTION.
• Recharge the battery pack.
• Check the connection to the transceiver.
• Set squelch to the threshold point.
• Set [OFF/VOL] to a suitable level.
• Drain water from the speaker.
• Change channels.
• Recharge the battery pack.
• Push [H/L] to select high power.
• Push [H/L• ] for 1 sec. to cancel the
LOCK
function.
• Set the desired channels as "TAG" channels. p. 12
• Set the beep tones to AUTO or 1–10 in SET
mode.
• Leave the transceiver at room temperature
for a while. Turn the power ON to check if the
internal temperature has returned to normal.
• Verify the battery voltage is correct.
• Have the transceiver checked at your local
distributor or dealer to see whether the trans-
ceiver works properly or not.
REF.
p. 17
p. 3
p. 7
p. 8
—
pgs. 2, 4
p. 17
p. 2
p. 2
p. 13
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