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ACTION: Empty waste bottle.
SECTION: 9.2.1 Empty the Waste Bottle
POSSIBLE CAUSE: Bubbles in buffer or calibrator bottle tubing.
ACTION: Prime bottle.
SECTION: 4.10 Prime the Fluid System
SYMPTOM: INTERNAL FAILURE: Unable to Calibrate
POSSIBLE CAUSE: Air bubbles in calibrator tubing.
ACTION: Prime calibrator bottles.
SECTION: 4.10 Prime the Fluid System
POSSIBLE CAUSE: Pinched, leaking or disconnected tube.
ACTION: Fix or replace tubing.
SECTION: 9.4.7 Pump Tubing Replacement
POSSIBLE CAUSE: Sipper misaligned.
ACTION: Check Sipper alignment.
SECTION: 4.5 Align Sipper
POSSIBLE CAUSE: Stir bar not in sample module.
ACTION: Install stir bar.
SECTION: 9.4.1 Sample Module Cleaning
POSSIBLE CAUSE: Stir speed too fast or too slow.
ACTION: Adjust stir speed.
SECTION: 7.2.4 Stirbar
POSSIBLE CAUSE: Newly installed enzyme membrane.
ACTION: Enter probe diagnostics and check probe currents.
SECTION: 7.2.3 Modules
POSSIBLE CAUSE: Newly installed probe.
ACTION: Enter probe diagnostics and check probe currents.
SECTION: 7.2.3 Modules
POSSIBLE CAUSE: Calibrator solution out of spec: contaminated or installed for more than 30 days.
ACTION: Install new calibrator.
SECTION: 4.8 Install Calibrator Solution(s)
POSSIBLE CAUSE: Net calibration current (PL current) below 5 nA.
ACTION: Replace enzyme Membrane and check calibrator solution.
SECTION: 4.9 Install Membranes
POSSIBLE CAUSE: Failing enzyme membrane.
ACTION: Perform daily operational checks and replace membrane(s) if necessary.
SECTION: 5.1 Perform Daily Operational Checks, 4.9 Install Membranes and ISEs
POSSIBLE CAUSE: Probe surface fouled.
ACTION: Clean probe surface.
SECTION: 9.4.3 Enzyme Probe Cleaning
POSSIBLE CAUSE: Auxiliary electrode fouled.
ACTION: Clean Auxiliary electrode surface (temperature probe) with isopropyl alcohol.
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.
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