Servicing
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10.4.2 Cleaning the control unit
NOTE
Cleaning the control unit
Unsuitable cleaning agents can cause damage to the solid body.
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Clean the control unit with a soft, lint-free cloth, inside and out. In case of heavy soiling, a mild, abrasive-free
cleaning agent can be used (e.g. alcohol).
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Put the protective cover on the control unit and store it in the case.
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The control unit must be stored away from dirt, humidity, frost and temperatures above +80 °C.
10.4.3 Carry out calibration check with control unit
NOTE
Use of an incorrect control unit.
The use of an incorrect control unit can falsify the calibration check.
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The control unit number must match the serial number of the unit.
Removing the photometer
WARNING!
Do not remove the photometer without first draining the process line!
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Removing the photometer
Establishing the WLAN connection
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Establish WLAN connection with mobile device.
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Place the device on a soft and flat surface with the sensor head pointing upwards. Avoid using a metal plate
as a base (WLAN connection interruption).
Remove solid reference from control unit
When testing with formazine (C1, C2) and zeroing (C3,
C4), remove the solid reference from the control unit
(Calibration check [}46]).
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Loosen two screws (1).
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Remove the solid reference (2) from the control unit.
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