Maintenance And Care - Kärcher WU 90/72 Handbuch

Clean the filter gasket
Regularly remove the filter gasket from the water connection and
rinse under running water.
Change the battery
Prior to each irrigation season
Insert a new 9V battery (type 6LR61 / Alkaline).
Note: The safety unit of the irrigation device will automatically
close the valve if the battery is depleted.
If the "battery depleted" symbol appears on the display, the irri-
gation programme or an active irrigation process was interrupted.
If the battery is replaced with 10 seconds, the set programme will
be saved and reactivated upon the insertion of the new battery.
The appliance is maintenance-free.
Completely drain all water from the irrigation device.
Remove the battery.
Store the irrigation device at a dry and frost-free location.
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English

Maintenance and care

Maintenance
Storage