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27-2
TROUBLESHOOTING
The problems described in this table are commonly encountered operational malfunctions and are usually not caused by circuit
failure.
Problem Probable Cause Corrective Action
Power is not turned on when using
Li-ionbatterypackorAAAalkaline
batteries.
Battery voltage is low. RechargethebatterypackorreplacetheAAAalkaline
batteries with new ones.
The protective circuit of the Li-ion battery
is functioning.
Remove the Li-ion battery from the transceiver, reinstall,
then turn on the power again.
WhenbothDCINandthebatteryare
connected,turningoffthepowerofDCIN
may restart the transceiver.
Thisisnotamalfunction.Youcanusethetransceiver
after restart.
Power is not turned on when using
regulatedDCpowersupplyor
cigarettelightersocket.
Faulty power cable or bad connection. Checkforanyabnormalityinthecableandwhetherthe
polarity is correct.
Power cable fuse has blown out. Ifthefusehasblownoutduetoreasonsotherthanthe
transceiver, replace the fuse after repair.
Power is turned on but nothing
appears on the display.
AutomaticPowerOff(APO)isfunctioning. TurnOFFthepowersupply,thenturnitONagain.
ThepowersupplymaybeturnedOFF
during transmission when the charger
and battery are used at the same time.
The charger is used for charging purpose. The process
ofturningOFFthepowersupplyandrestartingthe
transceiver is not a malfunction.
AregulatedDCpowersupplycanbeusedtogetherwith
the battery without having to restart the transceiver.
Nosoundfromthespeakereven
though the volume is turned up.
The sound has been set to mute at
VolumeBalance.
Set other volume except for mute.
The squelch is closed. Lower the threshold level of the squelch (toward 0).
CTCSSissettoON. SetCTCSStoOFF.
DCSissettoON. SetDCStoOFF.
The transceiver is paired with a Bluetooth
headset.
Disconnect the Bluetooth headset.
Unabletoadjusttoahigher(orlower)
frequency even by rotating the [ENC]
control.
ProgrammableVFOhasbeencongured. RecongurethefrequencyoftheprogrammableVFO.
The frequency does not change even
by rotating the [ENC] control.
KeyLockhasbeenset. ChangethetypeofKeyLockorcancelKeyLock.
Pressing [MR] does not display the
memory channels.
Nothing is registered in the memory
channels.
Register data in the memory channels.
Memory cannot be recalled. The recall method of the memory channel
hasbeensetto[CurrentBand]andthe
frequency of the displayed frequency
band has not been registered in the
memory channel.
Changerecallmethodofthememorychannelto[All
Bands],orregisterdatainthememorychannel.
Unable to transmit. TXInhibithasbeenactivated. SetTXInhibittoOFF.
Transmission frequency is out of range. Changethefrequencytowithinthetransmissionrange
and transmit.
Thedisplayisblinkingonandoff
during transmission.
Power voltage is low. RechargethebatterypackorreplacetheAAAalkaline
batteries with new ones.
Transmissionoutputdecreases.Or
"H"(highpower)isblinking.
Temperature protection is activated and
output is automatically decreased.
TurnOFFthepowersupplyorremaininthereceiving
state and wait until the temperature decreases.
Repeater cannot be used. AutoRepeaterOffsetissettoOFF. SetAutoRepeaterOffsettoON.
Wrongtonefrequency/shift/offsetwidth. Select a proper tone frequency/shift/offset width.
ReversecannotbesettoOFF. AsShiftissettoON,settingReverseto
OFFwillsetthefrequencyoutsidethe
allowable frequency band.
SetShifttoOFF,thensetReversetoOFF.
The Scan function stops immediately. ThethresholdlevelofsquelchisOpen. Adjustthethresholdleveltoanappropriatelevel.
The Scan function does not resume
scanning after it has stopped. Scan resume method is set to
Seek. SettoTime(Time-Operated)orCarrier(Carrier-
Operated).
Mostkeysdonotfunction. KeyLockhasbeenset. CancelKeyLock.
VOXdoesnotfunction. VOXgainsettingsaretoolow. AdjusttheVOXgain.
Thespeakersoundistransmitted. TheheadsetwithVOXfunctionisnot
connected.
ConnecttheheadsetwithVOXfunction,andthenset
VOXtoON.
VOXisONandheadsetisnotconnected.
124


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