Simrad Maris ECDIS900 Technical Manual page 67

Troubleshooting
Backlight
Black screen
P16
Buzzer
No Audible start
P17
B
OOT
Failure
Equipment
detection
Long beep (4
s)
RAM
Silence 2s.
No Picture
Keyboard None
Processor Fan on.
Main board No audible
P13 start
Long response
Hard disk
time
controller
HDD failure
67
Hard disk Long response Hard Drive
Backlight
Black screen
failure
Power or
No audible
Buzzer unit
alarms
failure
Cause Effect
Computer
RAM failure
won't boot.
No light on the
Bad plug
keyboard.
Keyboard
Keyboard does
failure
not respond
Mother board
failure
No boot
Processor
failure
Hard Drive HD does not
circuitry error start
Warning in the Run Computer
blocked. Check
that internal fan is
running. Replace
the fan is
necessary.
Check cabling.
Replace backlight
card.
Replace buzzer
board
Replace mother
board
Action to fix
Check the RAM
plugs.
Replace faulty
RAM module.
Reconnect the
keyboard with
computer off.
Ensure that
none of the
keys are
depressed.
Replace the
keyboard
Check that the
motherboard
and the
processor are
well plugged.
Replace the
motherboard
Run Computer
set up
Check cables
seating
Run HD
diagnostics
Replace the
HD.
Replace
mother board.