Error Messages - Furuno FELCOM 12 Service Manual

6.3 Error Messages

No. Message
Warning : Internal GPS UNIT
1
failure
Warning : External NAV
2
equipment failure
No response from
3
communication unit
TROUBLE : ANT power
4
voltage abnormality
5 TROUBLE: EE PROM ERROR
TROUBLE: Invalid MES ID.
6
This equipment is deffected,
Please contact FURUNO.
TROUBLE: Invalid MES ID .
This equipment is deffected,
7
Please contact FURUNO. →
TROUBLE: EE PROM ERROR
TROUBLE: Synthesizer
8
UNLOCK
9 TROUBLE: Remote cable short
TROUBLE: DMC 1(2) cable
10
short
11 TROUBLE: Carrier power level
Meaning
GPS signal could not be
detected.
No input of NMEA 0183 data
from navigation device.
No response.
Supply voltage for antenna unit
is out of rating.
EE PROM is damaged.
No ID number in EE PROM.
Not registered with Inmarsat.
EE PROM not installed.
Synthesizer circuit is faulty.
Remote lines (BZ OUT-H and -
C) for IC-303 are shorted.
Remote lines (DMC IN-H and -
C) for DMC or IC-302 are
shorted.
TX current could not be
detected by SW REG Board at
transmission, that is, no
transmission.
6-10
Action
Replace GPS receiver Board
(GN-74) or check cable between
CPU, J8 and GN74, J2.
Check navigation device
connected.
Turn on or check the unit.
Check if antenna cable is
shorted (Check antenna
connector).
If OK, replace SW REG Board.
Replace EE PROM with a new
one having vessel's ID.
Replace EE PROM with a new
one having vessel's ID.
Put EE PROM having vessel's
ID.
Find out which circuit is
defective on "System Status
Monitor" display.
Check remote lines.
(Check connector.)
Check remote lines.
(Check connector.)
Check system status monitor for
send level in ST-BY.
If 255, check cable between SW
REG Board J4 and CPU Board
J9.
If 0, check TX, ANT, RF CON
Boards.