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Hanna Instruments HI 84502 User Manual

Page 16

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16

This error message appears during pump calibration
when the end point 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 while pump calibration is in
progress. Press

ESC or Stop key to return to the

Pump Calibration screen.

PUMP CALIBRATION MESSAGES

Pump calibration is initiated by pressing the

Start

key.

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.