OPERATION
Troubleshooting
38 | LWZ130 www.stiebel-eltron.com
Coarse particle filter mat ( White , G4 ) : This filter does not have a
preferred direction of flow.
f After inserting the filter, flip the grille shut again.
f Push the filter cassette into the appliance. Ensure that the
filter cassette is installed in the intended position. The arrow
on the filter cassette and the arrow on the appliance must
point in the same direction.
f To secure the filter cassette, turn the wing screw clockwise.
f Undo the wing screw on the filter cassette of the outdoor air
filter by turning the screw anti-clockwise.
f Remove the filter cassette from the appliance.
f If necessary, place a new filter in the filter cassette.
f Push the filter cassette into the appliance. Ensure that the
filter cassette is installed in the intended position. The arrow
on the filter cassette and the arrow on the appliance must
point in the same direction.
f To secure the filter cassette, turn the wing screw clockwise.
f Make a note of the filter change date.
Note
f Log the filter inspection in the appendix of this man-
ual.
f Switch on the power supply to the appliance.
f Order new filters in good time or purchase a filter
subscription.
Note
If other filters are installed in the system, e.g. filters in the
extract air vents or a filter box, also perform the inspec-
tion there and change the filter(s) if necessary.
6. Troubleshooting
Faults detected by the appliance are stored in actual values I70 to
I79. The latest fault is always stored in l70. The latest fault is also
shown in the lower section of the standard display.
If you cannot remedy the fault, contact your qualified contractor.
To facilitate and speed up your request, provide the number from
the type plate (000000-0000-000000). The type plate is located on
the control panel on the side of the appliance.
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