Furuno FS-1562-15 Operator's Manual page 38

TROUBLE
Key input is not accepted
Antenna coupler can't tune
antenna
Can not tune in a broadcast
station
PROBABLE CAUSE
FS-1562 is under control of
external equipment
Antenna may be disconnected or
shorted to ground
Antenna is out of tunable length.
Poor grounding of the coupler.
Breaker in coupler has tripped.
Connection cable loosened or
disconnected.
Missing last numeral at the digit
of 1 when trying to tune in the
station.
Wrong setting of MODE
The station is off air
-5.2-
REMEDY
"REM" appears when controlled
by external equipment. Suspend
operation of external operation.
Check antenna connection.
Recommended length is 7 to 30
meters.
Check coupler ground.
Check mains voltage and
polarity. If they are normal,
reset breaker.
Check cable.
To tune in 9640 kHz for
instance, press [RX], [9], [6],
[4], [0], [0], [ENT]. Do not
miss the last [0]; otherwise you
will set 964.0 kHz.
Select H3E.
Select another frequency.