Brita PURITY 450 Steam Manual página 37

10.3 Leak at Screwed Connections
Cause: Screwed connections not fitted correctly.
Troubleshooting: Check mains pressure. Check all screwed connections and mount according to
Chapter 4.
If the fault continues, exchange filter system.
!
Operating and Safety Information (Chapter 3).
10.4 Leak after Filter Replacement
Cause: O-ring at the filter cartridge is not seated correctly.
Troubleshooting: Check correct seat of the O-ring (Chapter 6.2).
!
and Safety Information (Chapter 3).
10.5 No Display Function
Cause: Battery drained.
Troubleshooting: Replace display unit (Order number see Chapter 13).
Note: When replacing the display unit, follow the enclosed manual.
10.6 Data on Display Flashing
Cause: Monthly limit expired or the remaining capacity of the filter cartridge is
exhausted (Chapter 5.2).
Troubleshooting: Replace filter cartridge (Chapter 6).
10.7 Bypass setting in the display does not agree with the setting of the bypass screw
(cf. 10.8/10.9)
Cause: Filter was not commissioned correctly.
Troubleshooting: Flush filter again (Chapter 5.4). Check data in the display after flushing
(Chapter 5.5).
10.8 Bypass setting in the display does not agree with the setting of the bypass screw
(cf. 10.7/10.8)
Cause: Valve strip of the by-pass setting not set correctly.
Troubleshooting: Flush filter system again and readjust bypass screw (Chapter 5.3)
11 Battery
The installed battery is designed for a service life of approx. 10 years. The battery and display unit
must not be burnt and must not be disposed of in domestic waste.
To remove the battery, please proceed as follows:
• Remove the screw on the back of the display unit and open and remove the back of the housing.
• Disconnect the soldered contacts on the battery with side cutters and remove the battery from
the bracket.
• Replace the back of the housing on the display unit and tighten the screw.
Dispose of the battery and display unit following
the local environmental guidelines for battery disposal.
Caution: Prior to changing, read the Technical Data (Chapter 12) and the
Caution: Prior to dismantling read the data (Chapter 12) and the Operating
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