wtw Turb 555, Operating Manual

Page: 69 / 82

Turb 555 / Turb 555 IR What to do if...
69 ba41113e07 04/2009
Warning message
W-02,
W-03,
W-04,
W-05,
or WNG
Warning
W-06
Warning
W-07
Warning
W-08
Cause Remedy
– Wrong or erroneous
calibration standards
used, or
– Instrument error
– Repeat the calibration
using the correct
calibration standards
– Check the lamp
– If the error cannot be
remedied, have the
instrument repaired by the
WTW service department
Cause Remedy
– Calibration error:
Incorrect 0.02 NTU or
10.0 NTU calibration
standard used
– Repeat the calibration
using the correct
calibration standards
Cause Remedy
– Calibration error:
Incorrect 10.0 NTU or
100 NTU calibration
standard used
– Repeat the calibration
using the correct
calibration standards
Cause Remedy
– Calibration error:
Incorrect 100 NTU or
1750 NTU calibration
standard used
– Repeat the calibration
using the correct
calibration standards.
Make sure the 1750 NTU
standard was well mixed.