YOKOGAWA UV700G, User Manual

Page: 97 / 131

<8. Maintenance>
8-2
IM 12K01B02-01E
8.2 Maintenance of Detector
8.2.1 Cleaning Method for Measuring Cell
Here describes the cleaning method of the measuring cell in the detector.
Perform maintenance approximately once a week.
Perform this maintenance work with the power ON.
1. Turn the maintenance switch ON.
2. Press the [ACTION] button on the MAINTENANCE screen.
Refer to “6.6.1 Action”
3. Turn the wiper motor ON and UV lamp OFF.
ON
OFF
4. Remove the detector from the measuring tank.
CAUTION
• When the wiper motor is operating, take care to handle so that fingers etc. are not caught in
the motor.
• Care should be taken when handling the cell of detector so that it does not touch other parts
of the unit.
• Before performing the work, confirm that the UV lamp is not illuminated. The UV lamp
should not be viewed directly when it is illuminated as it may damage your eyes.
• If the MAINTENANCE – ACTION screen is not touched (backlight is not turned on) for about
2 hours, the screen will return to the MEASUREMENT screen. When the screen is touched
once and the backlight is turned on, the timer will be reset and the screen will not return to
the MEASUREMENT screen until about 2 hours have elapsed.
• Note that the screen will return to the MAINTENANCE screen and automatically the wiper
motor and UV lamp will be turned on if no buttons are pressed for 30 minutes on the
MAINTENANCE – ACTION screen. When any button is pressed within 30 minutes, the
timer will be reset and actions will be performed as specified on the screen until 30 minutes
have elapsed.