Salter Brecknell 7840 - Manual (Page 36)

Model 7800 Family Weight Classifiers User’s Manual 36
Display shows under “_ _ _ _” dashes
(Indicates that the scale is below zero or under
capacity.)
1. Verify that weigh platter is on the scale.
2. Press the ZERO key.
3. Power off, remove any items from the platter,
and then power on the scale.
4. Recalibrate the scale.
5. Replace the load cell.
6. Replace the main board.
Display shows center“_ _ _ _” dashes
(Indicates that the scale is outside zero capacity
of ±2%.)
1. Verify that weigh platter is on the scale.
2. Press the ZERO key.
3. Power off, remove any items from the platter,
and then power on 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 off, and then power on 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 communication setting and baud rate
on both scale and software.
3. Perform I/O loopback test.