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2 error message ofl, ufl, 3 general information, 1 symbol for calibration evaluation flashes – YSI TruLab pH 1110 User Manual

Page 40: 2 [lobat] display, Error message ofl, ufl, Symbol for calibration evaluation flashes

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What to do if...

TruLab pH 1110

40

ba76155e01

03/2014

10.2.2

Error message OFL, UFL

The measured value is outside the measuring range of the meter.

The measured value is obviously incorrect.

10.3

General information

10.3.1

Symbol for calibration evaluation flashes

10.3.2

[LoBat] display

Cause

Remedy

• ORP value not stable

• Measure with air excluded if

necessary

• Temperature not stable

• Adjust temperature if necessary

Cause

Remedy

• Cable broken

• Replace the electrode

• Gel electrolyte dried out

• Replace the electrode

• Air bubble in front of the junction

• Remove the air bubble

• Air in the junction

• Extract air or moisten the junction

Cause

Remedy

Calibration interval expired

Recalibrate the measuring system

Cause

Remedy

Batteries almost empty

Replace the batteries (see section
3.3.1 I

NSERTING

THE

BATTERIES

,

page 10)