10-5
POSSIBLE CAUSE:
Newly installed enzyme Membrane.
ACTION:
Enter probe service and check probe currents.
SECTION:
POSSIBLE CAUSE:
Newly installed probe.
ACTION:
Enter probe service and check probe currents.
SECTION:
POSSIBLE CAUSE:
Calibrator solution out of spec: contaminated or installed
for more than 30 days.
ACTION:
Install new calibrator.
SECTION:
4.6 Install Calibrator Solution
POSSIBLE CAUSE:
Failing enzyme Membrane.
ACTION:
Enter probe service and check probe currents. Replace Membrane(s) if
necessary.
SECTION:
5.1 Perform Daily Operational Checks
POSSIBLE CAUSE:
Probe surface fouled.
ACTION:
Clean probe surface.
SECTION:
POSSIBLE CAUSE:
Auxiliary electrode fouled.
ACTION:
Clean Auxiliary electrode surface (temperature probe) with isopropyl alcohol.
POSSIBLE CAUSE:
Sample concentration too high, resulting in high probe
current (nA).
ACTION:
Dilute sample or adjust sample size down and repeat.
SECTION:
SYMPTOM:
MEASUREMENT ERROR: PL Slope
POSSIBLE CAUSE:
Stir speed too fast or too slow.
ACTION:
Adjust stir speed.
SECTION:
POSSIBLE CAUSE:
Newly installed enzyme Membrane.
ACTION:
Enter probe diagnostics and check probe currents.
SECTION:
POSSIBLE CAUSE:
Newly installed probe.
ACTION:
Enter probe diagnostics and check probe currents.
SECTION:
POSSIBLE CAUSE:
Failing enzyme membrane.
ACTION:
Replace membrane.
SECTION:
5.1 Perform Daily Operational Checks
POSSIBLE CAUSE:
Enzyme Probe surface fouled.
ACTION:
Clean probe surface.
SECTION:
POSSIBLE CAUSE:
Auxiliary electrode fouled.
ACTION:
Clean Auxiliary electrode surface (temperature probe) with isopropyl alcohol.
SYMPTOM:
FLUID ERROR: Check Bottles
POSSIBLE CAUSE:
Low buffer or calibrator level.
ACTION:
Check bottle status at bottom of Sample screen. Refill the appropriate bottle.
SECTION:
Summary of Contents for YSI 2500
Page 1: ...USER MANUAL 525021 YSI 2500 Biochemistry Analyzer OPERATIONS AND MAINTENANCE MANUAL...
Page 34: ...5 11 8 The Stat sample results are displayed on the Run Stat tab Stat sample results...
Page 88: ...13 1 13 Notices Declaration of Conformity 13 1...
Page 96: ...17 1 17 Appendix D Line Power Cord and Plug Wiring United Kingdom United States Europe...
