multi N/C 2100S Fault removal
93
1
2
3
4
5
6
Incomplete command from the PC
PC command without STX
PC command without *
PC command CRC error
PC command invalid command
PC command invalid MESS command
Cause Remedy
faulty connection between internal and
external program
initialize analyzer
7
8
9
COM 2 not found
COM 3 not found
COM 4 not found
Cause Remedy
problems with internal hardware switch analyzer off/on
10 Gas pressure error
Cause Remedy
Counterpressure in the analyzer system too
great: carrier gas supply is automatically
interrupted to protect the analyzer; flow
indication MFC approx. 0 ml/min
search for and replace component causing the gas
pressure error
water trap clogged undo connection upstream of the water traps and
reinitialize the analyzer
check if gas pressure error occurs again, if not,
replace water traps
no gas flow at the measuring outlet (gas
supply hose for sample gas supply kinked)
check gas supply hose, remove kink if necessary
condensation coil clogged with catalyst balls Interrupt measuring gas flow between the
combustion tube and condensation coil ⇒ Check if
"gas pressure error" occurs again, if not - rinse
condensation coil clear with ultrapure water
during catalyst replacement always make sure that
sufficient quartz glass wool is filled as a first layer
combustion tube "salidified" (by analysis of
highly saline samples accumulation of salt in
the combustion tube)
HT mat used up by analysis of highly saline
samples
replace HT mat in the combustion tube or replace
catalyst (dependent on the number of measurements
with the current catalyst filling and activity of the
catalyst)
gas supply to the furnace head clogged clean gas supply to the furnace head
12 Incorrect version number
Cause Remedy
the versions of multiWin and the software of
the internal computer do not match
update as appropriate
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