Weekly wash

The weekly wash is the same as the daily shutdown wash, except that a 5% solution of Reagent Probe Wash 3 is substituted for 10% Cuvette Wash Solution.

NOTE

The daily shutdown wash does not need to be performed on the day you perform the weekly wash.

To perform the weekly wash

1. At the Operation Panel, select Wash.

2. Ensure that the 10 ml tube at CTT (1) position #49 contains a 5% solution of reagent probe wash 3,  the cup at CTT (1) position #15 contains ISE detergent, and a 10 ml tube of pure water is at CTT (1) position #16.

3. Ensure that the bottle at RTT1(2) and RTT2 (3) position #49 contains a 5% solution of reagent probe wash 3.

4. Ensure that the bottle at RTT1 (2) and RTT2 (3) position #50 contains DI water.

NOTE

At your laboratory’s discretion, you may use other positions for 49 and 50 on the CTT, RTT1, and RTT2. Change the entries for the alternate positions in the appropriate fields on the WASH Set window.

5. At the WASH Set window:

Using the Wash Set window

1. Select WASH2.

2. Select 2 for Cycles (the default setting).

3. Enter 49 in the CTT cup position 1st time field and 50 in the CTT cup position 2nd time field.

4. Enter 49 in the RTT1 and RTT2 cup positions 1st time fields and 50 in the RTT1 and RTT2 cup positions 2nd time field.

6. Select Execute.

7. After the wash, check the lamp energy and run the cell blank measurement test.