Siemens SIMATIC HMI OP3 Equipment Manual page 93

Test and Monitoring Functions
Hardware test
Apart from a brief initial start test ("eprom test", "ram test", "flash test"),
which is performed on every cold start of the OP3, a hardware test with test
functions for all the important components of the device can be initiated by
operator input.
Hardware test displays are in English, irrespective of the language set.
Initiating the The hardware test is not initiated by means of the screen level but on turning
hardware test on the supply voltage. Press the following three arrow keys simultaneously
Hardware You can choose the following tests from the hardware test menu:
test menu
Choose the test you require with arrow keys
sing ENTER. The
left and right borders of the display.
While an initiated test is in progress, an "active" message is displayed. If an
initiated test terminates without errors, an "ok" message appears on the
display for about two seconds.
You terminate a hardware test by choosing "END OF TEST" from the menu.
Operator Panel OP3
Edition 11/99
CPU TEST,
RAM TEST,
EPROM TEST,
FLASH TEST,
V.24 (RS232) TEST,
KEYBOARD TEST,
DISPLAY TEST and
TEST_ALL.
and symbols show the menu item you selected in the
>> <<
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and ; start the test by pres-
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