wtw DIQ/S 182-MOD System Operating Manual page 70

Operation
Recommended
proceeding for cleaning,
maintenance and repair
Automatic switch-on of
the maintenance
condition
4 - 10
1 Switch on the maintenance condition for the IQ sensor. The
measured value display flashes.
2 Pull the sensor out of the sample.
3 Carry out the cleaning, maintenance or repair (removal and
replacement) of the sensor.
4 Submerse the sensor in the sample again.
5 Wait until the measured value does no longer change.
6 Switch off the maintenance condition for the sensor. The
display of the sensor in the measured value display does no
longer flash.
The maintenance condition for IQ sensors is automatically activated
 during calibration. After calibration the IQ sensor remains in the
maintenance condition until the maintenance condition is switched
off manually (see section 4.5)
 during a compressed-air cleaning cycle. After the cleaning cycle is
finished the maintenance condition is automatically switched off
again.
System 182
ba75504e07 04/2012