EN
30
Cleaning and Maintenance
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7.4 Cleaning the control knobs
1
2
3
Fig. 7.5
Pull out the knob ring
[1]
Knob casing
[2]
Touch surface
[3]
Knob ring
7.4.1 Cleaning the knob ring
The knob ring can only be cleaned by hand.
X
X
Remove the knob ring from the knob housing.
X
X
Use a cleaner and degreaser in one.
X
X
Rinse the knob ring with hot water.
X
X
Clean the knob ring with a soft brush.
X
X
Rinse the knob ring well after cleaning.
X
X
Dry the knob ring carefully.
X
X
Place the dry knob ring back on the knob housing.
X
X
Make sure it is positioned correctly (0 position).
X
X
If necessary, turn the knob ring to the 12 o’clock
position (= 0 position).
7.4.2 Cleaning the touch surface and the
knob housing
X
X
Remove the knob ring.
X
X
Clean the touch surface and the knob housing with a
soft, damp cloth.
X
X
Dry the touch surface and the knob housing carefully.
X
X
Place the knob ring back on the knob housing.
INFO
If the knob ring has not been fitted correctly, a
segment rotating clockwise is displayed in the
central control knob display ( ).
Summary of Contents for PKCH2
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