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11
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION. REF.
No sound from speaker.
• Squelch level is too deep.
• Volume level is too low.
• Speaker has been exposed to water.
p. 11
p. 10
—
• Set squelch to the threshold point.
• Set [VOL] to a suitable level.
• Drain water from the speaker.
The transceiver does
not turn ON.
• The battery is exhausted.
• Bad connection to the battery pack.
p. 22
p. 5
• Recharge the battery pack.
• Check the connection to the transceiver.
Transmitting is impossi-
ble, or high power can
not be selected.
• Some channels are for low power or re-
ceive only.
• The battery is exhausted.
• The output power is set to low.
pgs. 8,
9, 29
p. 22
p. 10
• Change channels.
• Recharge the battery pack.
• Push [H/L•
LOCK] to select high power.
The displayed channel
cannot be changed.
• Lock function is activated. • Push [H/L•
LOCK] for 1 sec. to cancel the
function.
p. 12
Scan does not start.
•“TAG” channels are not programmed. • Set the desired channels as “TAG” channels. p. 14
No beeps.
• Beep tones are turned OFF.
• Set the beep tones to ON (Fix Beep/User
Beep) in SET mode.
p. 18
Self check error.
(Temperature)
• The temperature is outside of –35°C to
+73°C; –31°F to +163°F (approx)
• Leave the transceiver at room temperature
for a while. Turn the power ON to check if the
internal temperature has returned to normal.
Self check error.
(Battery voltage)
• The connected battery pack’s voltage is
more than 8.8 V.
• Verify the battery voltage is correct.
—
—
Self check error.
(Water intrusion)
• Water has entered the transceiver.
• Have the transceiver checked at your local
distributor or dealer to see whether the trans-
ceiver works properly or not.
—
IC-M88-2.qxd 02.11.22 3:24 PM Page 28 (1,1)