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Troubleshooting the Pumps
Use this table if you observe problems with the reagent pump, sample pump, or
waste pump.
Problem Probable Cause and Solutions
Pump is not operating
correctly
1. Inspect the pump tubing and replace if required.
2. Clean the roller cage and shaft as described in Cleaning the
Roller Cages in Section 3.
3. Test the pump electronics and flow rate for the appropriate
pump as described in Pump Functions Test, page 4-58
.
Troubleshooting Thermal Control
Use this table if you observe problems with temperature control.
Problem Probable Cause and Solutions
Measurement module
temperature warning
message
The measurement module is outside the 37.00 ± 0.15°C range.
The system can accept sample analysis.
1. Ensure that the measurement module door is closed.
2. Perform the Temperature/pAtm Test, as described in
Section 4, to check the sample temperature.
3. Wait at least 15 minutes for the system to warm up.
4. Verify that the location of the system meets the
specifications for ambient operating temperatures, as
described in Appendix H, Installation.
5. Check the air filter to ensure that the air vent is not
obstructed and that the filter is clean. See Replacing the Air
Filter in Section 3.
6. Verify that the fan is operating.