10-7
SYMPTOM: ERROR: No Fluid Detected
POSSIBLE CAUSE: Low sample level.
ACTION: Increase sample level in test tube.
POSSIBLE CAUSE: Sipper Depth set too high at sample station.
ACTION: Adjust sipper depth.
SECTION: 4.4 Align Sipper
POSSIBLE CAUSE: Calibrator bottle not primed.
ACTION: Prime calibrator bottle.
SECTION: 4.7 Prime the Fluid System
POSSIBLE CAUSE: Low calibrator solution.
ACTION: Install new calibrator.
SECTION: 4.6 Install Calibrator Solution
POSSIBLE CAUSE: Pinched, blocked, leaking or disconnected tube.
ACTION: Fix or install new tubing.
SECTION: 8.4.6 Pump Tubing Replacement
POSSIBLE CAUSE: Calibrator pump not operating properly.
ACTION: Check pump and tubing.
SECTION: 8.4.6 Pump Tubing Replacement
POSSIBLE CAUSE: Fluid not conductive.
ACTION: Use saline as diluent.
POSSIBLE CAUSE: Sipper tip fouled.
ACTION: Clean tip of sipper with isopropyl alcohol and a lint-free tissue.
POSSIBLE CAUSE: Sipper mounting screws loose.
ACTION: Check sipper mounting screws and tighten gently if required.
SECTION: 8.4.10 Sipper Replacement
SYMPTOM: Fail FCN Test
POSSIBLE CAUSE: Damaged or old membrane.
ACTION: Replace membrane.
SECTION: 4.7 Prime the Fluid System
SYMPTOM: Fail Linearity Test
POSSIBLE CAUSE: Probe assignment incorrect.
ACTION: Make correct assignment.
SECTION: 4.9.1 Assign Chemistries to Probes
POSSIBLE CAUSE: Damaged or old Membrane.
ACTION: Replace membrane.
SECTION: 4.7 Prime the Fluid System
POSSIBLE CAUSE: Calibrator bottle(s) not primed sufficiently.
ACTION: Prime each calibrator bottle for 60 seconds.
SECTION: 4.7 Prime the Fluid System
POSSIBLE CAUSE: Contaminated or old calibration or linearity standard.
ACTION: Repeat test with new standards.
SECTION: 5.1 Perform Daily Operational Checks
POSSIBLE CAUSE: Assigned concentration range beyond practical limits.
ACTION: Redefine measurement parameters. Remake standards.
SECTION: 7 Chemistry Setup
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