Model 6712 Point-of-Sale Interface Scale User’s Manual
21
6. Replace the main board.
Display shows center “
_ _ _
” dashes
(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
platter, and then power up the scale.
4. Recalibrate the scale.
5. Replace the load cell.
6. Replace the main board.
Display shows upper “
_ _ _
” dashes
(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
the scale and the host device.
2. Check baud rate and parity settings on both
scale and host device.
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
keypad cable is still installed correctly.
2. Replace display panel.
3. Replace display PCB.
4. Replace the display cable.
5. Replace main PCB.
