2002 by ELTRA GmbH Germany – January 2002 – Service Manual OH 900 / ON 900 / ONH 2000
1.9-1
1.9
1.9
No analysis start
The start of the analysis depends on many factors:
Carrier gas pressure
Stable baseline of all active channels
Active baseline control of the electronics unit
Water flow must be detected
Furnace temperature below high alarm limit
If the analyser starts the analysis after a long time - say about 4-5 minutes -
after pressing pressing
then interrupt the analysis by pressing
Check the zero baseline with
Adjust the baseline to zero if necessary, see 2.12.
Check the gas flow see 2. 7 , or increase it to 40 / 70 l/h.
The instrument should start the analysis within a maximum of 30s after pressing the
START-button with furnace in open condition, ignore the stability of the baselines. Try this
method if the analyser does not start with the closed furnace.
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