Simrad Maris ECDIS900 - Page 67

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