27
ERROR DISPLAYS AND TROUBLESHOOTING IN
CONDUCTIVITY/SALINITY/TDS MODE
[Note:
If the meter still does not perform normally after the above
measures are taken, call
JENCO
representative.
]
Main
Display
Secondary
Display
Possible cause(s)
Corrective
Action(s)
"over" during
measurements
-10.0 to
120.0
℃
1. Sample
Conductivity
value > 200.0
mS/cm; Sample
TDS > 200 g/L.
Sample Salinity >
80.0 ppt
2. Conductivity cell
contaminated or
defective.
3. Incorrect K
constant value
input.
1.Sample cannot
be tested.
2.Decontaminate/c
lean cell or
replace cell.
3.Input correct K
value.
"over" during
calibration
-10.0 to
120.0
℃
1. Incorrect standard
solution.
2. Conductivity cell
contaminated or
defective.
3. Incorrect K
constant value
input.
1.Replace
standard
solution.
2.Decontaminate/c
lean cell or
replace cell.
3.Input correct K
value.
"over " during
measurements
over
1. Sample
temperature >
120
℃
.
2. Defective
conductivity cell.
1.Reduce sample
temperature.
2.Replace cell.
undr
1. Sample
temperature
< -10.0
℃
2. Defective
conductivity cell.
1.Increase sample
temperature.
2.Replace cell.
