NCR RealPOS XR6 User Manual page 43

Hardware Installation
Current
Suspect
System
Component
Operation
• OFF Power System
• AC Present
Runtime Cooling
Component/CPU
POST CPU
POST BIOS Chip
System
Power LED
State
• OFF OFF
• Not in
Standby
• External
P/S ON
Over Flashes
Temperature red/green,
then solid red
as
temperature
increases
CPU not ON
Operating
BIOS ON
Checksum
Failure
Disk
Activity Corrective Action
LED
OFF 1. Check AC power to
P/S
2. Check P/S
3. Check connection
between unit and
P/S
4. Check power
connection from
Back Panel to
Motherboard and
Motherboard to
Front Panel
5. Replace P/S
6. Replace
Motherboard
7. Replace Front Panel
Board
N/A 1. Check for blocked
cooling vents
2. Check for excessive
ambient
temperature
3. Check cooling
components
ON 1. Check for correctly
installed CPU
2. Replace
Motherboar
Flashing 1. Perform BIOS crisis
(4/Sec) recover
2. Replace BIOS chip
3. Replace
Motherboard
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