Icom M88 Instruction Manual - Page 34

11 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION. The transceiver does • The battery is exhausted. not turn ON. • Bad connection to the battery pack. • Recharge the battery pack. • Check the connection to the transceiver. No sound from 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. Transmitting is impossi- • Some channels are for low power or re- • Change channels. ble, or high power can ceive only. not be selected. • The battery is exhausted. • Recharge the battery pack. • The output power is set to low. • Push [H/L•LOCK] to select high power. REF. p. 22 p. 5 p. 11 p. 10 - pgs. 8, 9, 29 p. 22 p. 10 The displayed channel • Lock function is activated. cannot be changed. • Push [H/L•LOCK] for 1 sec. to cancel the p. 12 function. 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 p. 18 Beep) in SET mode. Self check error. (Temperature) • The temperature is outside of -35°C to • Leave the transceiver at room temperature - +73°C; -31°F to +163°F (approx) for a while. Turn the power ON to check if the internal temperature has returned to normal. Self check error. • The connected battery pack's voltage is • Verify the battery voltage is correct. - (Battery voltage) more than 8.8 V. Self check error. (Water intrusion) • Water has entered the transceiver. • Have the transceiver checked at your local - distributor or dealer to see whether the transceiver works properly or not. 28