Hardware
44 Beijer Electronics, MA00757A
3.8 Hardware Self Test
The self-test program can be used to test aspects of operator terminal functionality
and the communication ports. To run the test you will need:
– Test plugs; see Test Plug Drawing.
– 24 V DC, min. 3 A.
Follow the steps below to run the self-test program on the operator terminal:
1. Power off the operator terminal.
2. Go to the self-test. Set the mode switches to the self-test positions, see the table
in the Mode Switches section.
3. Power on the operator terminal and follow the instructions at the bottom of the
display.
4. When using the test plugs, make sure all LEDs on the 9-pin and 25-pin D-subs
are on.
5. When the self-test is finished, power off the operator terminal and set all mode
switches to the OFF position.
If an error occurs during the self-test, try to fault trace. See Fault Tracing.
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