Suzuki S-1800H80/180, Technical Manual

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NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
-6-
"WAITING" stays more than 2 minutes
And then "CHECK FUSE AT CONTROL-BOX" appears next.
Is the power supply connection in Hull Unit OK?
Is the polarity of the power supply cable correct?
Is the breaker of your ship ON?
Check the DC voltages and power cable
connection.
Turn ON the breaker of your ship.
Is the fuse of Hull Unit normal?
Replace the blown fuse.
Is the Signal cable normal?
Verify the disconnection of the
Signal cable.
Check if the DC voltages at check pins
5V-1-GND-1 and 5V-2-GND-2 in the
Main PCB for Hull Unit portion is OK?
(Voltage must be 5 Volt.)
Power Supply PCB in Hull Unit portion
Main PCB in Monitor portion
Is 5 Volt present in Main PCB for
Monitor portion?
Power Supply PCB in Monitor portion
Are the waveforms of REQ-H,
ACK-H, and BUSY-H in Main
PCB for Hull Unit normal?
Main PCB in Monitor portion
Main PCB in Hull Unit portion
Are the waveforms of REQ-H,
ACK-H, and BUSY-H in Main
PCB for Monitor portion normal?
Main PCB in
Hull Unit portion