8. Error messages (Error code)
Messages Reason Dispositions
Error9
Serious error that does
not permit any further
measuring
Please call service engineer.
Error3
Wrong password Re-enter a password
Error2
Cell constant of the electrode
exceeds the upper or lower
limit
1. Replace with new standard
solution
2.
Maintain the electrode or
change
a new electrode, and
make
another calibration
Error1
The readout is unstable when
calibration
1. Replace with new standard
solution
2.
Maintain the electrode or
change
a new electrode, and
make
another calibration
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