4.10. Changing the emergency down
1. Remove the top cover (see step 4.2.)
2. Disconnect all wiring from the emergency down switch (BB).
3. Unscrew the nut of the emergency down button (BB’).
4. Remove the emergency down button (BB’) and fit a new button.
5. Secure the button with a nut, snap in a new switch (BB) and recon-
nect the wiring as shown in the photo or the electrical diagram (see
Section 2.).
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2540 / 2545 • REPAIR
brown to motor (D1)
white to motor (C1)
white to PCB (C3)
black (D2)
red (C2)
brown to motor (C3)
BB
BB’