Online Analyzer Maintenance & Troubleshooting Checklist

Category：Maintenance

A sequence for measuring-surface, process-flow, reference-sample, power, grounding and communication checks.

Slow response or deviation

Check contamination, bubbles, crystals, sample temperature and flow before comparing with a reliable reference sample. Recalibrate only after cleaning and diagnosis.

Fluctuating signal

Check pump pulsation, mixing, bubbles, level, stratification and installation position, followed by power, grounding, shielding and analog-loop interference.

Communication interruption

Verify address, baud rate, parity, wiring, termination and register reads; then check topology, address conflicts, shielding, grounding and gateway settings.