NCI 6712 User Manual page 21

6. Replace the main board.
Display shows center "
(Indicates the scale is outside zero capacity of ±2%.)
1. Verify that the weigh platter is on the scale.
2. Press the ZERO key.
3. Power down, remove any items from the
4. Recalibrate the scale.
5. Replace the load cell.
6. Replace the main board.
Display shows upper "
(Indicates the scale is over capacity.)
1. Remove all items from the scale.
2. Press the ZERO key.
3. Power down, then power up the scale.
4. Recalibrate the scale.
5. Replace the load cell.
6. Replace the main board.
Scale is not transmitting data to the host
device
1. Check cable connection at both the rear of
2. Check baud rate and parity settings on both
3. Perform I/O loopback test.
4. Replace the cable.
6. Replace the main board.
The ZERO key and TEST key do not function
1. Open display enclosure and verify that the
2. Replace display panel.
3. Replace display PCB.
4. Replace the display cable.
5. Replace main PCB.
Model 6712 Point-of-Sale Interface Scale User's Manual
platter, and then power up the scale.
the scale and the host device.
scale and host device.
keypad cable is still installed correctly.
_ _ _
" dashes
_ _ _
" dashes
21