Manual EDM 180
Revision 1.0 29.03.2010 Page 27/61
4.3 On / Off switch
With the main switch (Power – lower left side of the front panel) the device is being switched on or off. Do
not switch off the unit out during operation- (measurement-) mode but first enter stand-by-mode (press key
Stand-by). Otherwise data loss of the storage card might happen.
After switching on the display shows: „Model 180, Version 7.80 E”, afterwards date and time
(Date/Time). Devices of the 180 series will ask you now „filter changed ?“. Implicitly press [-] (no)!
Subsequently the self-test will start automatically. It ends with „Self test OK“. Should an error occur
during the self-test the message „New Selftest“ will show up. This process will be done four times.
Should this error still be existent the message „Fatal Error Please Check“ will show up.
.
4.4 Status-LED
Left next to the display on the front panel are two LED located labelled with “Status” and “Dryer”. These
LED´s can have 4 conditions: Off, shining red, shining yellow, and shining green. The status LED is off
within the stand-by mode. While normal operation it is shining green. If a device error occurs it will shine
red. During the self-test it is shining yellow. The LED Dryer (dry-circuit) is off if the dryer-circuit is not being
activated. It is also green while dryer circuit is working
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