Table of Contents
Advertisement
troubleshooting and Errors
Fill or Drain Problems
4-2 Fill or Drain
Problems
4-2-1 Station cleaning
94
User Guide STP420D/STP420ES
A number of conditions can cause fill and drain problems:
•
There is insufficient reagent: Verify that the reagent bottles and the
paraffin tanks both have sufficient reagent.
•
Inadequate reagent from the external tank: When a message about
inadequate reagent coming from the external tank into the rotation
chamber appears, the reagent is already being pumped back into the
external tank.
•
There is insufficient pressure or vacuum: The STP420 cannot
create sufficient vacuum (for a fill) or pressure (for a drain) in the
chamber:
•
Verify that all reagent bottles are fully inserted in their correct
locations.
•
Ensure that the caps of the reagent bottles are tight.
•
Check if the lid of the chamber is properly closed.
•
There is a blockage in the air or reagent lines. Appropriate error
messages indicate the specific station that must be cleaned to
remove the blockage, for example:
"Cleaning Station X: Station X filling time (emptying time) is too long,
a station cleaning is recommended".
Station cleaning takes approximately 20 minutes:
1. Touch OK to confirm the error message.
2. Select Setup from the screen menu.
3. Select Cleaning from the submenu.
4. Select Station cleaning.
5. Select Start. A dialog box appears with the prompt: "Position X
contaminated. Please remove bottle X, check for paraffin residue and
clean if necessary".
6. Touch OK to acknowledge the prompt. A dialog box with a
command prompt: "Please insert the Xylolreinger bottle in position X
and put the bottle from the position X into a vacant position."
7. Follow the instructions on the screen and then click OK.
Thermo Fisher Scientific
Advertisement
Table of Contents
