Thermal Arc POWERMASTER 320SP, Service Manual

Page: 13 / 40

page 13
X1
LED10 LED11
LED9
650.1243.0 DS22BF RP326
D00.0069.0-00
Display test
The display has an internal function test. To execute the test press the buttons “arrow down“ (TA13) and
“mode“
Mode
(TA4) at the same time.
At a machine with seperatd front panels, the test can also be executed at the DS21BF with the buttons
“2-stroke/4-stroke“ (TA2) and “slope“ (TA3).
Now the LC-Display shows „Display Test“ and the version number of the operating system. Press any button to
start the
fi rst test, where all LEDs and the LC-Display are turned on and off alternately. The LC-Display shows
„LEDs on, Backlight off“.
Press any button to go to the next test. In this test all buttons are checked, by pressing all 12 buttons one after
another. The button which is to be pressed, is indicated by a lit LED. After that the rotary impulse encoders are
checked. The LC-Display shows a cursor which can be moved by the rotary impulse encoders. At
fi rst the cursor
has to be moved to the left with the left rotary impulse encoder then to the right. After that the cursor has to be
moved to the left and right with the right rotary impulse encoder.
Then the test are completed and the LC-Display shows „End of Tests“ and the machine goes back into normal
mode, which was displayed before the display test was executed.