If There Is A Problem - bürkert 8232 Bedienungsanleitung

Maintenanceandtroubleshooting
9.4.2.

if there is a problem

Problem
Slope calibration Polarization time too short
cannot be done
because the
Membrane cracked
measuring value
deviates from the Membrane cap damaged
DPD-measurement
Deposits on the membrane
Interfering substances in the measuring
water
There is a short-circuit or the
connection cables are defective.
Shaft is not tightly fastened to the
membrane cap
Gas bubbles on the membrane
Chlorine concentration exceeds the
upper limit of the measuring range
No electrolyte in the membrane cap
Air is between the internal holder /
membrane cap / measuring electrode
Sensor is defective
Type 8232
Possible cause Recommended actions
→
For the polarization time duration, see chap 8.
→
Repeat calibration when the polarization time has elapsed.
→
Replace the membrane cap, see chap 9.3.3.
→
Replace the membrane cap, see chap 9.3.3.
→
Replace the membrane cap, see chap 9.3.3.
→
Examine the measuring water for interfering substances.
→
If necessary, contact Bürkert.
→
Repair the short-circuit.
→
If necessary, change the connection cables.
→
Screw the shaft until it hits the membrane cap.
→
Increase the flow rate temporarily.
→
If necessary check the installation and correct it.
→
Bring the chlorine concentration in the authorized range.
→
See chap 7.2 to fill again the membrane cap with electrolyte.
→
Remove the internal holder from the membrane cap and fill it again with
the electrolyte. See chap 7.2.
→
Send the sensor back to Bürkert.
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