Icom IC-M72 Instruction Manual - Page 36
Troubleshooting
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11 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does not • The battery is depleted. turn ON. • Bad connection to the battery pack. • Recharge the battery pack. • Check the connection to the transceiver. pgs. 25-27 p. 3 No sound from the • Squelch level is too tight. speaker. • Volume level is too low. • Speaker has been exposed to water. • Water has entered to [SP MIC] connector. • Set squelch to the threshold point. • Rotate [VOL] to set a suitable level. • Push and hold both [16•9] and [H/L•LOCK] to drain water from the speaker. • Dry [SP MIC] connector. p. 11 p. 9 p. 12 - Transmitting is impossible, • Some channels are for low power or receive • Change channels. or high power can not be only. selected. • The battery is exhausted. • Recharge the battery pack. • The battery is overcharged. • The output power is set to low. • Verify the battery voltage is correct. • Push [H/L•LOCK] to select high power. pgs. 8, 9, 31 pgs. 25-27 - p. 9 The displayed channel • Lock function is activated. cannot be changed. • Push [H/L•LOCK] for 1 sec. to cancel the function. p. 10 Scan does not start. • "TAG" channels are not programmed. • Set the desired channels as "TAG" channels. p. 15 No beeps. • Beep tones are turned OFF. • Set the beep tones to ON (Fix Beep/User Beep) in p. 18 the SET mode. Self check error. (Temperature) • The temperature is outside of -35°C to +73°C; • Leave the transceiver at room temperature for a - -31°F to +163°F (approx.). 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 more • Verify the battery voltage is correct. - (Battery voltage) than 11 V. Transmitting continuously • Ambient noise is too loud. while not speaking when using VOX function. • Push [ ] and [H/L•LOCK] to deactivate the VOX function. • Set the VOX gain to lower sensitive value. p. 12 p. 22 "CHARGE" comment • The connected battery is depleted. blinks 30 • Recharge the battery pack. pgs. 25-27