6
Benchmark HD Series
4.0
Troubleshooting
Symptom
Probable Cause
Remedy
No display
Power disconnected
Connect power
Cable cut or disconnected
Repair cable
Signal leads incorrectly wired at indicator Connect according to indicator manual
Display stays at zero
Incorrect load cell cable connections
Connect according to manual
Faulty indicator
Service the indicator
Erratic weight display
Vibration near the scale
Remove the source of vibration, or
adjust the digital averaging of the
indicator to minimize the erratic display
Scale is not level
Level the scale
Water damage to the load cell or load
cell cable
Replace the load cell
Faulty indicator
Service the indicator
Loose load cell screws
Tighten the correct torque
Faulty load cell
Test and replace if necessary
Consistently low weights
Indicator is not properly adjusted to zero
Zero the indicator correctly
Scale deck cover is binding
Obtain adequate clearance
Overload stops set too high
Reset overload stops correctly
Indicator not calibrated for scale
Calibrate
Faulty load cell
Test and replace if necessary
Table 4-1. Troubleshooting Guide