Spectroquant Pharo 300 - Page 197

Spectroquant
®
Pharo 300 What to do if ...
197
ba75703e07 04/2014
Self-test does not
start.
The instrument
displays
Please remove cell
Obviously incorrect
measured values
Fluctuating
measured values
Cause Remedy
– A cell is inserted in one of the cell
shafts
– Remove the cell
– Then press the
<START ENTER> key
– A foreign object is inserted in one
of the cell shafts
– Remove foreign object
– Then press the
<START ENTER> key
– The instrument has to carry out a
new adjustment for the rectangu-
lar cell recognition
– Press the <START ENTER>
key.
– The cell shaft is contaminated – Clean the cell shaft (see section
5.2.2 and section 6.1)
– Restart the instrument
– If necessary, confirm the Please
remove cell message with
<START ENTER>.
– Instrument defective – Return instrument to service
department
Cause Remedy
– Cell contaminated – Clean the cell
– Dilution set incorrectly – Set the dilution
– Selected method not suitable – Select different method
– Zero measurement incorrect – Perform zero measurement
– Blank value incorrect – Remeasure the blank value
– Cells that are not recognized (e.g.
some plastic cells) disturb the
AutoCheck measurement and, as
a consequence, falsify measured
values until the next AutoCheck is
carried out
– Use suitable cells (see section
7.1 and section 8.1)
Cause Remedy
– Cell shaft cover open – Close the cell shaft cover