InstroTek
91
Troubleshooting
Symptom
Probable Cause
Gauge does not power on
1. Dead batteries, recharge or
change batteries
2. Gauge inside is wet, dry the
interior of the gauge
3. Ribbon cable inside the
gauge is defective or not
connected
4. Keypad is defective
Density readings are incorrect
1. Check calibration constants
2. Check standard count
Counts are erratic
1. Circuit problem, contact
InstroTek