20
GUIDE
TO
D
ISPLA
y C
ODES
8.1. PUMP CALIBRATION MESSAGES
Pump calibration is initiated by pressing the
Start
key.
This screen appears while pump calibration is in progress.
Press
ESC
or
Stop
key to return to the Pump Calibration
screen.
This error message appears during pump calibration when
the endpoint can not be reached and the maximum amount
of titrant is exceeded. Check standard, electrode and/or
dosing system and try again.
The calibration was outside the acceptable limits. Prepare a
new standard and try again.
This error message appears when the pH reading exceeds the
acceptable input limits (-2.00 < pH > 16.00).
This screen appears when the stirrer is not working properly.
Check the stir bar and beaker content. Press
Restart
to try
again.
This error message appears when the pump is not working
properly. Check the tubing, valve and syringe. Press
Restart
to try again.
