6-2 Maintenance
Cleaning the Instrument
Preparation
To clean the sample wells, raise the lid. The cleaning position is shown below.
Cleaning the Sample
Wells
If you use any cleaning or decontamination method, except those recommended in
the manual, you risk damaging the equipment. Clean the sample wells once a month
or as needed.
During instrument operation, the temperature of the heated cover can be
as high as 108 °C, and the temperature of the sample block can be as high as 100 °C. Before
performing the procedure, keep hands away until the heated cover and sample block reach
room temperature
Heated platen
Heated cover
Sample wells
To clean the sample wells:
Step Action
1 If a method is running, press the Stop key twice.
2 Turn off the instrument.
3 Wait 1 minute for the block to cool.
4 Lift the lever and open the hinged heated cover.
5 Remove the sample tray from the block and set it aside.
6 Use a cotton swab soaked in pure isopropanol to clean the sample wells
thoroughly.
CHEMICAL HAZARD. Isopropanol is a flammable liquid
and vapor. Exposure may cause eye, skin, and upper respiratory tract irritation.
Prolonged or repeated contact may dry skin and cause irritation. Exposure may
cause central nervous system effects such as drowsiness, dizziness, and
headache. Read the MSDS, and follow the handling instructions. Wear appropriate
protective eyewear, clothing, and gloves.