NOx-N
What to do if...
4 - 3
ba43110e05
01/2011
Cause Action
No stable measured
values present
(AutoRead criterion not
fulfilled).
Trigger AutoClean (AutoCal automatically
follows after this), replace pump tubings.
Contaminated dist. H2O
Replace dist. H2O. Thoroughly rinse the
container with dist. H2O.
Highly ferrous test
sample (e.g. sample
taken in the vicinity of a
phosphate precipitation)
Use other cleaning solution. Especially for
highly ferrous test samples, WTW offers
the C/N 211/Fe cleaning solution (see
section 6.1 A
). A container lid with
intake tube for the cleaning solution can be
obtained from WTW on request.
Cause Action
The lamp in the
measuring device is
defective.
Contact the WTW service department.
Cause Action
Thermoblock cannot be
brought to the required
final temperature.
Contact the WTW service department.
Cause Action
Error within the software
or hardware.
Contact the WTW service department.
Cause Action
An error occurred when
reading parameter data.
Confirm the prompt with
3
; contact the
WTW service department in order to
measure.
Calibration defective
Lamp defective
Thermoblock defective
Contact the service
department of WTW
Read error: Use factory
setting YES
Summary of Contents for TresCon NOx-N
Page 20: ...Overview NOx N 1 16 ba43110e05 01 2011 ...
Page 92: ...Maintenance NOx N 3 44 ba43110e05 01 2011 ...
Page 98: ...What to do if NOx N 4 6 ba43110e05 01 2011 ...
Page 108: ...Appendix NOx N 6 8 ba43110e05 01 2011 ...
Page 111: ......
