User's Manual
Chapter 9 Simple fault diagnosis MDC-7000P/7900P Series
0093169006-05E 9-12
B C 12000 6 34 Change to sea
stabilization.
Ship’s bearing: THS, HDT, HDM, VTG
Course against water: VBW
Speed: VBW, VTG, VHW are not input.
B C 12000 7 64 Change to reference
antenna.
The set CCRP went beyond radar display.
Reference has moved to antenna position.
A A 12000 8 65 Cannot use the CCRP. Cannot display CCRP position. Change
position or range.
B C 12000 9 21 Change to off process. THS, HDT, HDM or VTG, RMA, RMC are
not inputted.
B C 12000 10 35 Change to ground
stabilization
Speed: VBW or VHW is not input.
Change to ground stabilization. Check
VBW or VHW sentence.
B C 12000 11 36 Change SOG input to
EPFS
Change SOG input source from SDME
(VBW) to EPFS (VTG).
B C 16000 1 47 Inter-switch not
connected.
NAV ports between master and slave are
not connected.
B C 16000 2 59 AIS alarm signal. Alarm for abnormality is input in AIS alarm
terminal of AIS port or the terminals are
open.
B C 16000 3 66 No WGS84 DATUM. Input geodetic system is not WGS84.
A A 17000 1 41 Antenna not connected. Connector of Antenna may not be
connected to Antenna, or Scanner unit
may be faulty.
A A 17000 2 42 Antenna magnetron
current abnormal.
Magnetron may be at the end of life or
transmission high voltage fuse blown.
A A 17000 3 43 Antenna magnetron
heater abnormal.
Something is wrong with magnetron or
Scanner unit.
A A 17000 4 44 Antenna magnetron high
voltage abnormal.
High voltage fuse for transmission blown.
A A 17000 5 45 Antenna high voltage
abnormal.
High voltage fuse for transmission blown.
A A 17000 6 46 Motor voltage abnormal. Motor voltage fuse blown.
A A 17000 7 48 Azimuth abnormal.
BP signal from Scanner unit is not
received.
May be fault in angle detecting sensor in
Scanner unit or poor connection at
connector.
A A 17000 8 49 Head line signal abnormal.
SHF signal from Scanner unit is not
received.
May be fault in SHF sensor in Scanner unit
or rotation of antenna may be stopped.