NCR RealPOS 60, Руководство по обслуживанию оборудования

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2 Diagnostics
• 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 Compo-
nent/CPU Over Tempera-
ture 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 Operat-
ing 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
POST Memory Memory Issue ON Flashing
(1/Sec)
4. Check for properly
installed memory
5. Replace memory
6. Replace Motherboard
POST Motherboard No Display ON Flashing
1/4 Sec) Replace Motherboard
Current System
Operation
Suspect Component System State Power LED
Disk Activity
LED
Corrective Action