User manual

Digital Monitor AMC-1DBx Series User Manual
83
6.13 MONITOR COMMISSIONING AND INSTALLATION SCENARIOS
6.13.1 System Startup.
System startup begins at powering on the monitor and continues until the monitor is in
communications with the downstream peripherals and the upstream peers and masters.
Item Remarks
1. Power-On Reset
• Voltage Monitor holds CPU in reset for 3
seconds
• Places the System Fail relay in fail safe
position.
If voltages are too low, the
Monitor will be stuck in this
state.
If the processor or FLASH
memory is faulty no LED
activity may occur.
2. Board Level Self-Test – failures reported to
display and LEDs.
• During startup the System LED will turn on
and off as Power On Self-test is performed.
• The LCD backlight with turn and Display
will begin to perform screen fills with white
and black patterns.
Exercises DDR2 memory
and the Display Controller, if
any test fails:
• FAULT LED will remain
lit with other
combinations of D1-D3
and ALARM1-3 LEDs will
indicate failure.
• The monitor will reboot
over and over.
• This monitor faults must
be reported to qualified
technician for repair. Do
not advance to the next
step.
3. AMC Monitor Banner and Firmware version will be
displayed.
System Initialized, if any test
fails:
• The System LED will turn
off and remain off at this
point. If the reset cause
was a watchdog or
brown-out reset.
• This fault can be cleared
by pressing the HOLD
pushbutton.
• This monitor fault must
be reported to qualified
technician for repair.
4. Database Verification Data Base and Data Base
storage device are checked.
The verification test prompts
the user to accept default