Replacing Operator Controls - Siemens SIMATIC IPC277D/E 19" INOX PRO Service Manual

Extended maintenance work

4.4 Replacing operator controls

4.4 Replacing operator controls
This section applies to devices with operator controls.
Note
Repairs, when modules are defective
The modules of the EMERGENCY OFF pushbutton and the illuminated pushbutton are not
available as spare part.
If one of the modules is defective, send in the device for repair.
Tool required
● Wrench, size 18 mm
Replacing the EMERGENCY OFF pushbutton
Removing the EMERGENCY OFF pushbutton
1. Carefully turn the module of the EMERGENCY OFF pushbutton to the left until it unlocks.
2. Remove the module from the EMERGENCY OFF pushbutton.
3. Loosen the highlighted nut and remove the EMERGENCY OFF pushbutton.
Installing the EMERGENCY OFF pushbutton
Proceed in the reverse order of the section "Removing the EMERGENCY OFF pushbutton".
1. Insert the new EMERGENCY OFF pushbutton from the outside through the opening on
the front.
2. Fasten the EMERGENCY OFF pushbutton with the associated nut, 1.5 Nm torque.
3. Place the module on the EMERGENCY OFF pushbutton.
4. Carefully turn the module to the right until you hear it click in place.
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SIMATIC IPC277D/E 19" INOX PRO, SIMATIC IFP1900 INOX PRO
Service Manual, 11/2017, A5E35751762-AC