![background image](http://html1.mh-extra.com/html/icom/ic-f4sr/ic-f4sr_instruction-manual_612591025.webp)
21
9
TROUBLESHOOTING
If your transceiver seems to be malfunctioning, please check
the following points before sending it to a service center.
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
No power comes ON.
• The battery is exhausted.
• Bad connection to the battery pack.
• Recharge the battery pack.
• Check the connection to the transceiver.
p. 18
—
No sound comes from
the speaker.
• Volume level is too low.
• Different tone or code is selected.
• Set [VOL] to a suitable level.
• Check the tone using tone scan.
p. 5
p. 15
Transmitting is impossi-
ble.
• The battery is exhausted.
• Recharge the battery pack.
p. 18
The displayed channel
cannot be changed.
• Lock function is activated.
• Push [
] for 2 sec. to cancel the func-
tion.
p. 6
Scan starts automati-
cally.
• The auto channel function is activated.
• Turn the auto channel function OFF.
p. 11
No beeps sound.
• Confirmation beeps are turned OFF.
• Turn confirmation beeps ON in set mode.
p. 16
No contact possible with
another station.
• Different channel is selected.
• Different tone or code is selected.
• Use scan in all channel mode.
• Check the tone using tone scan.
p. 9
p. 15