Shutdown wash

The daily shutdown wash uses a detergent to clean the probe lines, reaction and dilution cuvettes, and ISE components.

Note

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

To perform the shutdown wash

1. At the Operation Panel, select Wash.

2. Ensure that the 10 ml tube at CTT (1) position 49 contains a 10% solution of Cuvette Wash Solution, the 10 ml tube at CTT position 16 contains pure water,  and  the cup at CTT (1) position 15 contains ISE Detergent.

3. Ensure that the bottle at RTT1 (2) and RTT2 (3) position #49 contains a 10% solution of cuvette wash solution.

4. Ensure that the 10 ml tube at CTT (1) position 50 contains DI water.

5. 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.

6. At the WASH Set window:

Using the Wash Set window

1. Select WASH 2.

2. Select 2 for Cycles.

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 fields.

7. Click Execute.