The following will confirm a Load Cell wiring is damaged. The load cell cable connector will have five pins labeled “A” thru “E”. Some load cells will have a sixth pin, “F”, which is not used. Any measurements that deviates more than 10% from the expected result is determined inaccurate and will require the Load Cell to be replaced.
Disclaimer: Not all possible Load Cell damage can be confirmed, even if the following checks confirm Load Cell wiring is good, it still may require replacement.

Load Cell Troubleshooting