NCR 74 OFX (7874), User Manual

Page: 243 / 268

Chapter 6: Troubleshooting 6-3
Scale Troubleshooting Codes
Note: LED 1 is the first LED from the bottom of the Scan Adviser.
Possible Cause
Corrective Action
Out of range
calibration error
1. Calibrate scale.
2. If error code persists, check:
Scale cables and Power Supply
Digital Board
Scale Assembly
25686
Error
Code
1---
2---
3---
Calibration Switch is
pressed for more
than 3 seconds
1. Check for objects that interfere with the Calibration Switch.
2. Calibrate scale.
3. If error cod e persists, have scanner repaired.
4---
Possible scale error
Internal scale
connection problem
or unit does not
have scale
1. Press Scale Zero button and retry.
2. Verify unit is a scanner/scale.
3. If unit does not have a scale, program for scanner only
(
Progra m Mode, Hex 3, Hex 0, Hex 4, & Save and Reset)
4. If error code persists, have scanner repaired.
4---
Scale drift
1. Verify that nothing is on the Top Plate.
2. Lift the Top Plate and verify that there are no objects
under it.
3. Verify that nothing interferes with the Produce Guard.
4. Press the Scale Zero button.
5. If error code persists, have scanner repaired.
5---
Failure to update
program parameters
in EEPROM
1. Reset scanner.
2. Calibrate scale.
3. If error code persists, have scanner repaired.
6---
Error reading
program parameters
from EEPROM
1. Calibrate scale.
2. If error code persists, have scanner repaired.
7---
Linearity problem
1. Calibrate scale.
2. If error code persists, have scanner repaired.
9---
Top Plate or
Produce Guard has
possible obstruction
1. Press
Scale Zero
button.
2. Remove interference around edge of Top Plate or
Produce Guard and Front Bezel.
3. Remove any fo reign objects from under the Top Plate.
Scale
display
is
blank
Scan Adviser
Patterns
Code 1:
LED 1 = blue
LED 2 = orange
LED 3 = orange
Code 2:
LED 1 = blue
LED 2 = orange
LED 3 = orange
LED 4 = orange
Code 3:
LED 1 = blue
LED 2 = orange
LED 3 = orange
LED 4 = orange
LED 5 = orange
LED 1 = blue
LED 2 = red
LED 1 = blue
LED 2 = red
LED 1 = blue
LED 2 = red
LED 3 = red
LED 1 = blue
LED 2 = red
LED 3 = red
LED 4 = red
LED 1 = blue
LED 2 = red
LED 3 = red
LED 4 = red
LED 5 = red
LED 1 = blue
LED 2 = green
LED 3 = green
Scale not
exercised properly
1. Press on the scale during calibration process.
2. Keep pressing on the scale until all red LEDs turn to blue.
3. Repeat procedure.
8---
LED 1 = blue
LED 2 = green