Endress+Hauser Analytik Jena multi EA 5000 - Device Faults on the Chlorine Detector

multi EA 5000 Troubleshooting
117
Error Possible cause Remedy
¡ Converter worn out/
old
¡ Inform customer ser-
vice department
¡ Ozone generator
faulty
¡ Replace ozone gener-
ator, see (→ "Replac-
ing the ozone gener-
ator" 146)
¡ Device leaking or de-
fective
¡ Inform customer ser-
vice department
Results too high ¡ High halogen con-
tents disrupting TN
determination
¡ Dilute samples, if
possible
Low results ¡ Incomplete NO
x
for-
mation due to exces-
sive nitrogen content
¡ Nitrogen compounds
cannot be completely
converted to NO
x
due
to their structure
(peptides, proteins,
multiple N-N com-
pounds such as azo
dyes, polycondensed
N compounds such as
morpholine)
¡ Reduce sample size/
amount
¡ Dilute sample
¡ Select an analysis
method with O
2
+ pa-
rameter mode
¡ Metallic cations in
the sample lead to ni-
trogen salt formation
¡ Dilute samples, if
possible
13.9 Device faults on the chlorine detector
Error Possible cause Remedy
Drift out of range (dis-
played in the
Status ana-
lyzer
window
Drift > 100 ¡ Replace electrolyte
Drift < -15 ¡ Check electrodes for
wear, replace as nec-
essary