Siemens SIMATIC IPC277D/E 19" INOX PRO Service Manual page 17

Replacing the illuminated pushbutton
Removing the illuminated pushbutton
1. Carefully turn the module
of the illuminated
pushbutton you want to
remove to the right until
it is upright.
2. Remove the module from
the illuminated pushbutton.
3. Loosen the highlighted nut
and remove the illuminated
pushbutton.
Replacing the LEDs of the illuminated pushbuttons
1. Remove the LED from its socket on the
module.
2. Insert the new LED. Make sure that the
"24V+" marking of the LED is aligned with
the "+" marking on the module as shown in
the figure on the right.
SIMATIC IPC277D/E 19" INOX PRO, SIMATIC IFP1900 INOX PRO
Service Manual, 11/2017, A5E35751762-AC
Extended maintenance work
4.4 Replacing operator controls
17