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
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
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