7
ERROR DISPLAYS AND TROUBLESHOOTING
Conductivity
Display
ATC
Display
y
DISPLAY
Mode
Possible cause(s)
[Action(s)]
"OVER"
"OVER"
Measure
Temperature >99.5
°C range.
[Bring solution to a
lower temperature.]
[Replace
electrode &
ATC assembly .]
"OVER"
"udr"
Measure
Temperature
<0.0°C range.
[Bring solution to a
higher
temperature.]
[Replace
electrode &
ATC assembly .]
"OVER"
60.0 ~ 99.5°C
Measure
Temperature >60.0
°C,
over
the
temperature
compensation
range.
[Bring solution to a
lower temperature.]
"OVER"
0.0 ~ 60.0°C
Measure
The
conductivity
value of the test
solution is beyond
200uS.
[Sample cannot be
tested or replace
electrode & ATC
assembly.]
"ERR"
/
Calibration
a.
Temperature
exceed
0
~
60.0°C
Temperature
compensation
b. Correction of
slope
beyond
50%.
[Bring solution to a
lower temperature.]
[Use
a
new
standard solution.]
[Replace electrode
& ATC assembly.]
