11
ERROR DISPLAYS AND TROUBLESHOOTING
[Note:
If the meter still does not perform normally after the above
measures are taken, call
Jenco
Service Department.
]
Main
Display
Secondary
Display
Possible
cause(s)
Corrective
Action(s)
"over" during
measurements
-10.0 to
120.0 °C
1. Sample
Conductivity/
TDS/Salinity
value out of
range
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
-10.0 to
120.0 °C
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 >
120 °C.
2. Defective
conductivity
cell.
1. Reduce sample
temperature.
2. Replace cell.
"udr"
1. Sample
temperature
< -10.0 °C
2. Defective
conductivity
cell.
1. Increase sample
temperature.
2. Replace cell.
