Error Message Ofl, Ufl; General Information; Symbol For Calibration Evaluation Flashes; Lobat] Display - wtw pH 7110 Operating Manual

What to do if...
40
Cause
• ORP value not stable
• Temperature not stable
10.2.2

Error message OFL, UFL

The measured value is outside the measuring range of the meter.
The measured value is obviously incorrect.
Cause
• Cable broken
• Gel electrolyte dried out
• Air bubble in front of the junction
• Air in the junction
10.3

General information

10.3.1

Symbol for calibration evaluation flashes

Cause
Calibration interval expired
10.3.2

[LoBat] display

Cause
Batteries almost empty
Remedy
• Measure with air excluded if
necessary
• Adjust temperature if necessary
Remedy
• Replace the electrode
• Replace the electrode
• Remove the air bubble
• Extract air or moisten the junction
Remedy
Recalibrate the measuring system
Remedy
Replace the batteries (see section
3.3.1 I
NSERTING THE BATTERIES
page 10)
ba75925e01
pH 7110
,
07/2011