8. Troubleshooting
100
Poor repeatability or no EP found
8-5.
START
Is sampling proper?
Sampling size correct?
Repair by
manufacturer
END
Correct sampling against
moisture into sample
Refer to the attached chart on
sampling
NO
NO
YES
YES
Start with stable drift?
Wait for stable drift
NO
YES
Is drift < 0.1ug/s?
Wait until drift settle down
NO
YES
Inner burette or
Electrode good?
Is reagent correct?
Use correct reagent
NO
Side reaction?
YES
YES
Change reagent or use indirect
method
NO
Rinse and clean them
NO
Measurement
parameters correct?
Check on drift stop mode
NO
YES
YES