8-6
SYMPTOM:
ERROR: Sample Chamber Temperature Out of Range
POSSIBLE CAUSE: Ambient temperature too cold or hot.
ACTION: Operate at ambient temperatures between 15 and 35 degrees C.
SECTION: ---
SYMPTOM:
ERROR: Sipper Interference or Fault in Fluid Level Detector
POSSIBLE CAUSE: Sipper detects a conductive body.
ACTION: Repeat sample.
SECTION: ---
POSSIBLE CAUSE: Intermittent sipper ground cable.
ACTION: Replace sipper ground cable.
SECTION: 7.8
POSSIBLE CAUSE: Intermittent sipper cable.
ACTION: Replace sipper cable.
SECTION: See the 2700 SELECT SERVICE MANUAL
SYMPTOM:
ERROR: Test Tube Interference
POSSIBLE CAUSE: Sample tube holder not in position.
ACTION: Reposition and repeat sample.
SECTION: ---
SYMPTOM:
ERROR: Unable to Calibrate
POSSIBLE CAUSE: Pinched, leaking or disconnected tube.
ACTION: Fix or replace tubing.
SECTION: 7.6
POSSIBLE CAUSE: Sipper misaligned.
ACTION: Check Sipper alignment.
SECTION: 2.6
POSSIBLE CAUSE: Stir bar not in chamber.
ACTION: Disassemble chamber and reinstall stir bar.
SECTION: 7.3
POSSIBLE CAUSE: Newly installed enzyme membrane.
ACTION: Enter probe diagnostics and check probe currents.
SECTION: 2.6
POSSIBLE CAUSE: Newly installed probe.
ACTION: Enter probe diagnostics and check probe currents.
SECTION: 2.6
POSSIBLE CAUSE: Calibrator solution out of spec: contaminated or installed for
more than 30 days.
ACTION: Install new calibrator.
SECTION: 2.3
POSSIBLE CAUSE: Net calibration current (PL current) below 5 nA.
ACTION: Replace enzyme membrane and check calibrator solution.
SECTION: 2.4
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