Siemens SIMATIC PP17-I, Equipment Manual

Page: 53 / 66

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PP7, PP17-I, PP17-II Equipment Manual
Release 06/98
Hardware Test
The hardware components of the Push Button Panel can be tested via a menu.
The so-called Hardware Test mode mode is provided for this.
Key Description
ESC
+
If this key combination is pressed while the unit is
starting up (directly after switching on), the unit
enters Hardware Test mode. The message
Any
key to enter display mode appears in the
display. Acknowledge it by pressing any key.
OK
In Hardware Test mode, this key serves the function
in the current menu level. The results of the indi-
vidual tests appear as they are completed:
OK
:
ERROR
:
A fault has occurred.
The functional unit tested is defective.
In Hardware Test mode, this key serves to skip back
to the superordinated menu level. The key has no
function in the first menu level.
In Hardware Test mode, this key serves to skip for-
ward to the next menu level. The key has no func-
tion in the bottom menu level.
Exit from Hardware Test mode by switching the unit off or executing the
function
TEST END
in the bottom menu level.
Activating and op-
erating Hardware
Test mode
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