38 A-96.250.871 / 120417
AMI CACE
Troubleshooting
7. Troubleshooting
This chapter provides some hints to make troubleshooting easier.
For any detailed information on how to handle/clean parts please
see chapter Maintenance, p. 34.
For any detailed information on how to program the instrument
please see chapter Program List and Explanations, p. 50.
If you need help please contact your local distributor. Note serial
number of instrument and all diagnostic values before.
Conditions for
pH calculation
only 1 alkalization agent (acid-base pair) in the sample (no
mixture)
the contamination is mostly NaCl
phosphate concentration is < 0.5 ppm
if pH value is < 8, the concentration of contaminant must be
small compared to the concentration of the alkalization agent
pH value is > 7.5, and < 11.5
Problem Possible Reason
Cond. value
<0.055 S/cm
Air bubble at sensor tip or sensor in air.
No pH/alkaliza-
tion agent value
available in dis-
play, relay, signal
output
Switch on calculations in <Installation> /
<Sensor> / <Miscellaneous> /
<Calculations>.
Afterwards program screen 1 and 2 in
<Operation> / <Display> / <Screen 1>,
<Screen 2>.
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