User manual

5-4 TVC-500 Operation Manual
020-100539-01 Rev. 1 (08-2010)
Section 5: Troubleshooting
Red Power LED blinks
four times, once every
second, followed by a
two-second pause. Four
beeps.
Power failure (power sup-
ply is overloaded)
CAUTION: Internal components might be powered even
when the workstation is OFF. To prevent damage, discon-
nect the workstation power cord before you remove a com-
ponent.
1. Open the access panel and ensure that all power
connections (18- pin Main, 10-pin Memory, 8-pin CPU, 6-
pin Aux. graphics, 4-pin HDD bay) are secure on the
system board.
2. Check if a device is causing the problem by removing all
attached devices (such as hard or optical disk drives, and
expansion cards.) Power on the workstation. If the
workstation enters the POST, power OFF and replace one
device at a time; repeat this procedure until failure occurs.
Replace the device that is causing the failure. Continue
adding devices one at a time to ensure all devices are
functioning properly.
3. Check the power supply functionality.
• Disconnect the AC power.
• Remove power supply from system chassis.
• Plug in the AC power. If the power supply fan spins
and the Built-In Self-Test (BIST)** LED lights, the
power supply is functional. The problem might be on
the system board. Contact Christie for assistance.
• If the power supply fan does not spin or the BIST**
LED does not light, the problem might be in the power
supply. Contact Christie for assistance.
** Some controllers do not have BIST LED functionality
Red Power LED blinks
five times, once every sec-
ond, followed by a two-
second pause. Five beeps.
Pre-video memory error.
CAUTION: Internal components might be powered even
when the workstation is OFF. To prevent damage, discon-
nect the workstation power cord before you remove a com-
ponent.
1. Reseat the Dual In-line Memory Modules (DIMMs).
2. Replace each DIMM one at a time to isolate faulty
module.
3. Replace third-party memory with HP memory.
4. The problem might be on the system board. Contact
Christie for assistance.
Red Power LED blinks
six times, once every sec-
ond, followed by a two-
second pause. Six beeps.
Pre-video graphics error.
CAUTION: Internal components might be powered even
when the workstation is OFF. To prevent damage, discon-
nect the workstation power cord before you remove a com-
ponent.
1. Reseat the graphics card.
2. The problem might be on the graphics card. Contact
Christie for assistance.
Table 5.2 Diagnostic LED and Audible Codes
Activity Possible Cause Recommended Action