Icom IC-440 - Product Registration Process

48
10
MAINTENANCE
PROBLEM POSSIBLE CAUSE SOLUTION REF.
Transmission continues
even when the PTT is re-
leased.
The function display
shows erroneous informa-
tion.
• PTT hold function is activated.
• The CPU is malfunctioning.
• Turn the function OFF.
• Reset the CPU.
pgs. 38,
45
p. 39
■ Fuse replacement
If the fuse blows or the transceiver stops functioning, fi nd the
source of the problem if possible, and replace the damaged
fuse with a new one, rated at (FGB 5 A) as shown at right.
5 A
fuse
IC-440-1.indd48IC-440-1.indd48 2008/06/2515:59:462008/06/2515:59:46