NCR RealPOS 50 - Page 20

1-10 Product Overview
Runtime CoolingCom‐
ponent/CPU
OverTempera‐
ture
Flashes
red/green,
thensolid
redastem‐
perature
increases
N/A 1. Checkforblocked
coolingvents
2. Checkforexcessive
ambienttemperature
3. Checkcooling
components
POST CPU CPUnotOper‐
ating
ON ON 1. Checkforcorrectly
installedCPU
2. ReplaceMotherboar
POST BIOSChip BIOSCheck‐
sum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
POST • Display
•Motherboard
•Peripheral
StoppedPrior
toBoot
ON Flashing
(1/Sec)
NoDisplay:
1. Checkforpowerto
displayifnodisplay
2. Checkcable
connectionbetween
Motherboardand
display
3. Checkforproperly
functioningdisplay
4. ReplaceMotherboard
DisplayWorking:
1. Usedisplayto
determinefailure
pointviaonscreen
messageandBIOS
Setup
Current System
Operation
Suspect Component System State Power LED
Disk Activity
LED
Corrective Action