9
ERROR DISPLAYS AND TROUBLESHOOTING
[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 0.0 ~ 100.0
℃
1. Sample
Conductivity
value >
200.0mS;
Sample TDS >
200 g/L.
Sample
Salinity > 70.0
ppt
2. Conductivity cell
contaminated or
defective.
3. Incorrect K
constant value
input.
1. Sample cannot
be tested
.
2. Decontaminate
/ clean cell or
replace cell.
3. Input correct K
value.
"over" during
calibration
0.0 ~ 100.0
℃
1. Incorrect
standard
solution.
2. Conductivity cell
contaminated or
defective.
3. Incorrect K
constant value
input.
1. Replace
standard
solution.
2. Decontaminate
/ clean cell or
replace cell.
3. Input correct K
value.
"over " during
measurements
over
1. Sample
temperature >
100
℃
.
2. Defective
conductivity cell.
1. Reduce
sample
temperature.
2. Replace cell.
undr
1. Sample
temperature
< 0.0
℃
2. Defective
conductivity cell.
1. Increase
sample
temperature.
2. Replace cell.
