Thermo Fisher Scientific EcoScan CON 6 & TDS 6 - Manual (Page 40)

Instruction Manual CON 6/TDS 6
36
9 ERROR MESSAGES
LCD Display Indicates Cause Solution
“LO” indicator
appears.
Low battery level. Need new batteries
or battery
connection is bad.
Clean battery
contacts. Replace
batteries with fresh
ones, noting polarity.
Err 1 Conductivity
calibration error
Calibration point is
outside the ±40%
window in the auto-
calibration.
Check the value of the
conductivity calibration
solution.
Switch to manual
calibration mode and
calibrate again.
If message persists,
return unit*.
Err. 2 Temperature
calibration error.
Auto calibration is
performed outside
the temperature
range (0 – 50 °C).
Check the temperature
and make sure that it
is within the
acceptable range.
If message persists,
return unit*.
Err. 3 Conductivity
calibration error.
Calibration point is
within 10% of the
measurement
range in the
manual calibration
mode.
Check the value of the
conductivity calibration
solution.
If message persists,
return unit*.
* See Sections on “Warranty” and “Return of Items”.
If an error message appears, switching off the meter and switching it on again
may eliminate the error message. Refer to diagram on right.
If error persists, or the meter shows incorrect values,
return the meter.
For a complete diagram of the display see page 3.
LO
S µ