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Maintenance
So r vail® Centrifuges
4.
When the air in the chamber has reached atmospheric pressure (hissing noise will
stop), turn the vacuum release solenoid valve screw fully counterclockwise.
5. Insert a straightened paperclip in the door interlock override hole (figure 7-3). Open
door.
Test of RUN Display Lights & Control Panel Indicators
Periodically test the control panel RUN display and indicators to verify that the lights are
functional:
1.
Turn the centrifuge power ON.
2.
Press
(DIAGNOSTICS)
until the "2" indicator light above the key is on and the display
looks as follows:
User-1
User-2
Maint-1
Install
Off
Off
Off
Off
3.
Press
(ENTER O )
to move the cursor to 1 User-21.
4.
Press (on off). The display will prompt you to enter a
5. Input the System Access Key# and press
(ENTER O ) .
User-2 <Qvride> Press 9 or On to Exit
Q
Off
6. Input 7 in the I User-21 field and press
(ENTER
t>).
User-2 <Ouride) LCID Display Test
7
Off
S
7. Press (onoff).
When (on off) is pressed:
• the number "8" will light in each space across the RUN display;
• all indicator lights on the control panel will come on;
• the minus temperature symbol will light in the RUN display; and
• the cursor indicator lights will all come on.
If a number other than "8" appears in the display or if any of the other lights do not
come on, call for Service.
8. Press (on off).
9. Press
(ENTER O )
.
7-10
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