Endress+Hauser Analytik Jena multi N/C 2100S User Manual

multi N/C 2100S Fault removal
101
Sample is not drawn up without air bubbles
Cause Remedy
 Leaking syringe  Check the metering syringe; use a new syringe if it is
leaking.
 Clogged cannula  Remove the cannula and clean in an ultrasonic bath
 Exchange cannula
 Dosing syringe not free of grease  Clean the dosing syringe
 Fill syringe with weak tenside solution, dwelling time: 30
min
flush thoroughly with ultrapure water
 Fill syringe with 0.1 N NaOH
dwell time: 10 min
flush thoroughly with ultrapure water
 Fill syringe with 0.1 N HCl
dwell time: 10 min
flush thoroughly with ultrapure water
Carry-over
Cause Remedy
 insufficient syringe rinse  Rinse the metering syringe with sample before the next
injection:
under METHOD  EDIT in the tab METHOD in the input field
RINSE CYCLES enter 3 for the first measurement, for all other
measurements rinsing is generally not required, enter 0.
 Sample metered near the reactor wall  Meter the sample vertically into the reactor
Cannula faulty
Cause Remedy
 Cannula corroded during injection due to sample
matrix and temperature
 Clogged cannula
 replace cannula
Note: Misting up of the cannula is normal. Replacement is
required if the sample is no longer metered as a cohesive
beam but is sprayed.
TN
b
measurements with CLD faulty (TC measurements are ok)
Cause Remedy
 gas connection between multi N/C 2100S and CLD
faulty
 ozone generator faulty
 check gas connection between multi N/C 2100S and CLD
 inform Service
Condensate pump/phosphoric acid pump leaking
Cause Remedy
 Leaking hose connections
 Defect pump hose
 Replace the pump hose

Endress+Hauser Analytik Jena multi N/C 2100S Specifications

General

Brand	Endress+Hauser
Model	Analytik Jena multi N/C 2100S
Category	Measuring Instruments
Language	English