Test, - Beckman Coulter LH 780 Instructions Manual

The Numeric Keypad displays FLOWCELL UNCLOG 2 while the instrument performs
this function. When the function completes processing, the Numeric Keypad displays
FUNCTION = 45. Press
3. Press
Clearing Flow Cell (Level 3)
CAUTION Risk of system damage. This function places greater stress on the flow cell than do other
functions, and it may damage your instrument. Use this procedure only if the other functions fail to remove
the clog and never more than once unless specifically instructed to do so by your Beckman Coulter
Representative.
1. Go to the Numeric Keypad.
2. Press
Purge the flow cell with cleaning agent.
r
Turn on the flow cell aperture current.
r
Apply 30 psi to top of the flow cell.
r
Alternately apply vacuum.
r
Leave cleaning agent in the flow cell.
r
The Numeric Keypad displays FLOWCELL UNCLOG 3 while the instrument performs
this function. When the function completes processing, the Numeric Keypad displays
FUNCTION = 46. Press
Beckman Coulter Representative.
3. Press
4. Use F44 before analyzing samples to clear any remaining cleaning agent from the flow cell.
Performing Keypad Key Test
1. Go to the Numeric Keypad.
PN 773023AC
E
N
T
E
R
to perform this function again.
STOP
to exit this function. The Numeric Keypad displays READY.
E
N
T
E
F 4 6
R
to
E
N
T
E
R
to perform this function again, only on the advice of your
STOP
to exit this function. The Numeric Keypad displays READY.
5
TROUBLESHOOTING
DILUTER FUNCTIONS
5-17