Error Displays And Troubleshooting - JENCO 3177MB Operation Manual

ERROR DISPLAYS AND TROUBLESHOOTING

Main
Display
"over" during
measurements
"over" during
calibration
"over " during
measurements
[Note: If the meter still does not perform normally after the above
measures are taken, call JENCO representative.]
Secondary
Display
1. Sample
-10.0 to
120.0 ℃
2. Conductivity cell
3. Incorrect K
1. Incorrect standard
-10.0 to
2. Conductivity cell
120.0 ℃
3. Incorrect K
1. Sample
over
2. Defective
1. Sample
undr
2. Defective
Possible cause(s)
Conductivity
value > 200.0
mS/cm; Sample
TDS > 200 g/L.
Sample Salinity >
80.0 ppt
contaminated or
defective.
constant value
input.
solution.
contaminated or
defective.
constant value
input.
temperature >
120 ℃.
conductivity cell.
temperature
< -10.0 ℃
conductivity cell.
17
Corrective
Action(s)
1. Sample cannot
be tested.
2. Decontaminate/
clean cell or
replace cell.
3. Input correct K
value.
1. Replace
standard
solution.
2. Decontaminate/
clean cell or
replace cell.
3. Input correct K
value.
1. Reduce sample
temperature.
2. Replace cell.
1. Increase sample
temperature.
2. Replace cell.