NCR RealPOS XR6, Руководство пользователя

Страница: 43 / 128

Hardware Installation 2-35
Current
System
Operation
Suspect
Component System
State
Power LED
Disk
Activity
LED
Corrective Action
• OFF
• AC Present Power System • OFF
• Not in
Standby
• External
P/S ON
OFF 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
Runtime Cooling
Component/CPU Over
Temperature Flashes
red/green,
then solid red
as
temperature
increases N/A 1. Check for blocked
cooling vents
2. Check for excessive
ambient
temperature
3. Check cooling
components
POST CPU CPU not
Operating ON ON 1. Check for correctly
installed CPU
2. Replace
Motherboar
POST BIOS Chip BIOS
Checksum
Failure ON Flashing
(4/Sec) 1. Perform BIOS crisis
recover
2. Replace BIOS chip
3. Replace
Motherboard