As-Needed/As-Required Maintenance
Cleaning the ISE Drain
Maintenance UniCel DxC Systems Instructions For Use A13914
Page 10-94 October 2005
Cleaning the ISE Drain
With constant use, the flow cell drain can develop a salt bridge, possibly causing
recovery anomalies for NA and CL. To prevent this build up from occurring, the drain
should be cleaned periodically.
14
CAUTION
Pinching Hazard. When lowering the ISE module, keep fingers clear.
Lower the ISE module into the cavity and reinstall the ISE module cover.
15 Calibrate CO
2
chemistry.
Step Action, continued
(3 of 3)
CAUTION
To prevent damage due to electrical static discharge (ESD), wear the wrist
ground strap when performing this procedure. For further instructions, refer
to "Basic Laboratory Practice
" at the beginning of this chapter.
Step Action
1 Loosen the two Phillips screws on the ISE module cover and remove the
cover.
2 Release the locking pin on the ISE module and lift the module until it
clicks.
3 Prepare for ISE maintenance and disable autoprime by selecting:
• the Utils icon from the menu bar,
• <2> Maintenance,
• <3> ISE Service.
Select <Continue> to drain the flow cell and prepare for maintenance.
(1 of 3)
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