5
Maintenance
PROBLEM
PROBLEM
PROBLEM
PROBLEM
POSSIBLE CAUSE
POSSIBLE CAUSE
POSSIBLE CAUSE
POSSIBLE CAUSE
SOLUTION
SOLUTION
SOLUTION
SOLUTION
REF.
REF.
REF.
REF.
Power does not come on
when [POWER] switch is
ON.
<DC operation>
• DC power cable is improperly connected.
<AC/DC common>
• Fuse is blown.
• Re-connect the DC power cable correctly.
• Check the cause, then replace the fuse with a
spare one. (Fuses are installed in the internal
REG unit and LOGIC unit.)
No sounds from the
speaker.
•Volume level is too low.
• The squelch is closed.
• The audio mute function is activated.
•A selective call or squelch function is
activated such as 2/5 tone call or tone
squelch.
• While in base operating mode, the repeater
is in the transmitting condition.
• Rotate [VOLUME] clockwise to obtain a
suitable listening level.
•While in base operating mode, rotate
[SQUELCH] to counterclockwise to open the
squelch.
•Push [SP MUTE] to the audio mute function
OFF
•Turn the appropriate function OFF.
• Push [PTT] on the microphone to receive or
check the PTT line of an external unit, if
connected.
Sensitivity is low and
only strong signals are
• Antenna feedline or the antenna connector
has a poor contact or short-circuited.
• Check and re-connect (or replace if
necessary), the antenna feedline or antenna
Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
The following chart is designed to help correct problems which are not equipment malfunctions.
If you are unable to locate the cause of a problem or solve it through the use of this chart, contact the nearest Icom
Dealer or Service Center
69
only strong signals are
audible.
has a poor contact or short-circuited.
necessary), the antenna feedline or antenna
connector.
Received signal cannot
be understood.
• Optional voice scrambler is turned OFF.
• Scrambler code is not set correctly.
•Turn the optional voice scrambler ON.
• Reset the scrambler code.
Output power is too low.
•Output power is set to Low.
•Push channel selector to select the high power
operating channel.
No contact possible with
another station.
• The other station is using tone squelch.
• While in base operating mode, the repeater
is set to duplex.
•Turn the tone squelch function ON.
•Set the repeater to simplex, when other
transceiver is set to simplex.
Fuse replacement
Fuse replacement
Fuse replacement
Fuse replacement
If a fuse blows or the repeater stops functioning, try to
find the source of the problem, and replace the
damaged fuse with a new, rated fuse.
▒
WARNING: DISCONNECT
WARNING: DISCONNECT
WARNING: DISCONNECT
WARNING: DISCONNECT the AC power cable
▒ and/or DC power cable from the repeater.
▒ Otherwise, there is danger of electric shock and/or
▒ equipment damage.
Line fuse replacement
Line fuse replacement
Line fuse replacement
Line fuse replacement [DC13.6V version]