Maintenance 171
Figure 5-40. Location of waste-drain nozzle
2. At the ISE Operation window, enter 5 in the Bufferprime Times box, then select
Execute.
IMPORTANT
Verify that no buffer collects in the wash block. Buffer that remains in the wash
block may clog the drain.
Maintaining the ISE unit after the dilution bowl and waste-drain
nozzle are clean
1. Replace the stainless steel cover of the ISE unit by sliding it into place, then secure it
with the retaining screw.
CAUTION
When sliding the cover, be careful not to scratch the tubes and dilution bowl. Also, when
fastening the screw, verify that the cover is not caught in the groove and is not loose.
2. Reinstall the splash cover and the DPP probe shield.
3. At the ISE Operation window, in the Initialize area, select
Execute.
4. When prompted, select
Yes to execute.
5. At the ISE Operation window, in the Period.wash area, select
ON, then select Set.
6. At the ISE Operation window, select
Exit.
7. Perform calibration and run controls.
Recovering from a power failure
Preparing the system for an expected power outage
If you know in advance of an upcoming power outage:
1. Turn off the workstation and analyzer power by performing the normal shutdown
operation.
2. If you expect the power supply to be off for a long period of time, refrigerate the
reagents.
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