60
15
MAINTENANCE
■ Troubleshooting
If your transceiver seems to be malfunctioning, please check
the following points before sending it to a service center.
PROBLEM
No power comes on.
No sound comes from the
speaker.
Sensitivity is low and only
strong signals are audible.
No contact possible with
another station.
Repeater cannot be ac-
cessed.
Frequency cannot be set.
Frequency cannot be set
via the microphone.
POSSIBLE CAUSE
• Power connector has a poor contact.
• Polarity of the power connection is reversed.
• Blown fuse.
• Volume is too low.
• The audio mute function is activated.
• Squelch is set too tight.
• A selective call or squelch function is activated
such as pocket beep or tone squelch.
• Antenna feedline or the antenna connector sol-
der has a poor contact or is short circuited.
• The transceiver is set to semi-duplex.
• The other station is using tone squelch.
• Wrong offset frequency is programmed.
• Wrong subaudible tone frequency is pro-
grammed.
• The frequency lock function is activated.
• Priority watch is paused on the watching fre-
quency.
• The frequency lock function is activated.
• The microphone keypad lock function is acti-
vated.
• Priority watch is paused on the watching fre-
quency.
SOLUTION
• Check the connector pins.
• Reconnect the power cable observing the proper
polarity. Replace the fuse if damaged.
• Check the cause, then replace the fuse.
• Rotate [VOL] clockwise.
• Push any switch or key to deactivate it.
• Set the squelch level to the threshold.
• Turn the appropriate function OFF.
• Check, and if necessary, replace the feedline or
solder the antenna connector again.
• Set to simplex.
• Turn the tone squelch function ON.
• Correct the offset frequency.
• Correct the subaudible tone frequency.
• Turn the function OFF.
• Push [
(M/CALL)PRIO] to resume the watch.
• Push and hold [LOCK] to deactivate the frequency
lock function.
• Push [FUNC] then [#16KEYLOCK] to deactivate
the microphone keypad lock function.
• Push [
(M/CALL)PRIO] to resume the watch.
REF.
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pgs.
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p. 62
p. 18
p. 18
p. 18
pgs.
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46, 47
p. 12
p. 21
p. 47
p. 24
p. 23
p. 14
p. 42
p. 14
p. 14
