
Fault removal
multi N/C pharma UV
94
Sample is not drawn up without air bubbles
Cause
Remedy
leaks in the sample intake path
check connections between cannula and hose and tighten
any loose connections
sample intake cannula clogged
remove the cannula and clean in an ultrasonic bath
replace cannula
metering syringe leaking
PTFE sealing lips of the plunger are damaged
remove and check metering syringe
replace metering syringe
incomplete metering in reactors
Cause
Remedy
leaks in the metering path
check connections and tighten any loose connections
Carry-over
Cause
Remedy
insufficient syringe rinse
rinse the metering syringe with sample before the next
injection: under M
ETHOD
E
DIT
in the tab M
ETHOD
enter 3
for rinse cycles for the first measurement, for all other
measurements rinsing is generally not required, enter 0
Unusual peak shape
Cause
Remedy
incomplete digestion
add reagent
reduce sample volume
dilute samples
Leaking condensate pump
Cause
Remedy
leaking hose connections
defect pump hose
replace the pump hose
Control lamps at the analyzer do not illuminate
Cause
Remedy
error in the power supply or in the electronics
check the electrical connections
check the power supply of the lab
equipment fuse faulty
inform Service
Содержание Analytik Jena multi N/C
Страница 1: ...Operating Manual multi N C pharma UV TOC Analyzer...
Страница 6: ...Contents multi N C pharma UV 6...