NCR 74 OFX (7874) - Scanner Diagnostic Codes

6-4 Chapter 6: Troubleshooting
Scanner Diagnostic Codes
Level0diagnosticsareruneverytimetheRealScan74ispoweredup.Thisdiagnostic
determinesiftheunitisoperational.Level0diagnosticsarealsorunwhentheunitis
inBaseProgrammingModeandwhentheDefault,SaveandReset,orAborttagis
read.Refertochapter
5formoreinformation.
Thefollowingtableliststhescannererrorcodesandproblemsthatmaybefoundby
theLevel0oroperationaldiagnostics:
Note: LED1isthefirstLEDfromthebottomoftheScanAdviser.
Error
Codes
Problem
Suspect
Component/s
2 RAM - Write/Read failure
Optics Engine/
Digital Board Assembly
5 Motor - Not running at proper speed
6
EEPROM - Cannot load contents
into memory
9
IBM mode - scanner does not detect
POS terminal TRMPWR voltage,
scanner may still scan or weigh
Cable not connected
from Scanner to POS
POS not turned on
IBM Port problem
11 Laser - Not turned on
12
ROM - Sum check failure
25621
13
FPGA Failure
(missing/failed part)
Scan Adviser
Patterns
LED 1 = red
LED 2 = orange
LED 3 = orange
LED 4 = orange
LED 1 = red
LED 2 = blue
LED 3 = blue
LED 1 = red
LED 2 = blue
LED 3 = blue
LED 4 = blue
LED 1 = red
LED 2 = green
LED 3 = green
LED 1 = red
LED 2 = green
LED 3 = green
LED 4 = green
LED 5 = green
LED 1 = red
LED 2 = red
LED 1 = red
LED 2 = red
LED 3 = red
Optics Engine/
Digital Board Assembly
Optics Engine/
Digital Board Assembly
Optics Engine/
Digital Board Assembly
Optics Engine/
Digital Board Assembly
Optics Engine/
Digital Board Assembly
No LED light
Power Supply
Power/communication
cable disconnected or
POS terminal turned off.
Optics Engine/Digital
Board Assembly
Tower Board Assembly
None
