Philips FM-2, Service Manual

Page: 33 / 110

FM-2 Power-On Self-Test
Chapter 3 - Tests and Error Codes 21
• The watchdog timer is allowed to time out, and the interrupt expected to
occur is verified to have occurred. Software will detect a watchdog failure if
the watchdog timer does not expire within a specified amount of time.
Performing the Power-On Self Test
1. Press the On/Off button .
2. Initially the LCD screen illuminates, but is blank.
3. After two or three seconds, the monitor plays a two-tone power-on jingle
while performing the Power-On Self Test. At this point, the monitor
displays the start-up screen, showing the Agilent logo, bootcode version
and the application version.
4. Upon successful completion of the Power-On Self Test, the display will
show the main monitoring screen.
5. If an error is detected, the monitor will display the error screen.
6. The error number is stored in the error log (see Table 3, “FM-2 Error
Codes,” on page 23).
If the Power-On Self Test fails, try to cycle power again. If it fails again, then
exchange the monitor.