Xylem HandyLab 200 - Manual (Page 43)

HandyLab 200 What to do if...
43 ba77063e01 03/2014
6 What to do if...
Error message
OFL, UFL
Error message,
Error
Sensor symbol flashes
Display
Meter does not react to
keystroke
You want to know which
software
version is in the meter
Cause Remedy
– Measured value outside the
measuring range
– Use suitable measuring cell
Cause Remedy
– Measuring cell contaminated – Clean cell and replace it if
necessary
– Calibration solution not suitable – Check the calibration solu-
tions
– Measuring cell not connected – Connect the measuring cell
Cause Remedy
– Cleaning interval expired – Recalibrate the measuring
system
Cause Remedy
– Batteries almost empty – Replace the batteries (see
section 5.1 M AINTENANCE )
Cause Remedy
– Operating condition undefined
or EMC load unallowed
– Processor reset:
Press the and
key simultane-
ously
Cause Remedy
– E.g., a question by the service
department
– Switch on the meter.
Open the menu,
_
>[Menu] / Storage &
config / System / Service
information. The instrument
data are displayed.