![background image](http://html2.mh-extra.com/html/icom/id-800h/id-800h_instruction-manual_3781017137.webp)
120
13
MAINTENANCE
13
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Some memory channels
cannot be selected via
[DIAL]
.
Scan does not operate.
Transmission is automati-
cally cut off.
Transmission continues
even when the PTT is re-
leased.
The function display shows
erroneous information.
• The memory channel number has not yet been
programmed.
• The squelch is open.
• Only 1 memory channel is programmed or other
channels are set as skip channels.
• Priority watch is activated.
• Time-out timer is activated.
• One-touch PTT function is activated.
• The CPU is malfunctioning.
• Select the channel via the microphone keypad to
check whether the channel has been programmed
or not.
• Set the squelch to the threshold point.
• Program other memory channels or cancel the
memory skip function in the desired channels.
• Cancel the watch.
• Set the timer to OFF.
• Turn the function OFF.
• Reset the CPU.
—
p. 16
pgs. 29,
30, 47
p. 50
p. 106
p. 19
p. 116
■
Fuse replacement
If the fuse blows or the transceiver stops functioning, find the
source of the problem if possible, and replace the damaged
fuse with a new, rated one (FGB 20 A) as shown at right.
20 A
fuse
ID-800H_1.qxd 2007.06.14 3:09 PM Page 120