User manual

5-6 TVC-500 Operation Manual
020-100539-01 Rev. 1 (08-2010)
Section 5: Troubleshooting
5.4 POST Error Messages
The Power-On Self Test (POST) is a series of diagnostic tests that runs automatically when the workstation is
initially powered ON.
Audible and visual messages occur before the operating system starts if the POST encounters a problem. POST
checks the following items to ensure that the TVC-500 system is functioning properly:
• Keyboard
•DIMMs
• All mass storage devices
•CPUs
• Controllers
•Fans
System does not power-on
and LEDs are not blink-
ing.No beeps.
System unable to power
on.
CAUTION: Internal components might be powered
even when the controller is off. To prevent damage, dis-
connect the workstation power cord before you remove a
component.
To resolve the problem, choose one of the following
options:
Press and hold the power button for less than 4 seconds. If
the hard drive LED turns green, then:
1.Remove the expansion cards one at a time and try holding the
power button again for less than 4 seconds.
2.The problem might be on the system board. Contact Christie for
assistance.
Press and hold the power button for less than 4 seconds. If
the hard drive LED does not turn on green then:
1.Check that unit is plugged into a working AC outlet.
2.Open the access panel and check that the power button harness
is properly connected to the system board.
3.Check that all power supply cables are properly connected to
the system board.
4.Check the power supply functionality
a. Disconnect the AC power.
b. Remove power supply from system chassis.
(See
Section 6 Remove/Replace
Chassis Components
for details.)
c. Plug in the AC power.
If the power supply fan spins and the BIST** LED lights,
the power supply is functional. The problem might be on
the system board.
If the power supply fan does not spin or the BIST** LED
does not light, the problem might be in the power supply.
** Some controllers do not have BIST LED functionality
Table 5.2 Diagnostic LED and Audible Codes
Activity Possible Cause Recommended Action