Function
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VME420_D00026_03_M_XXDE/04.2019
If the measured voltage is not within the preset operating range listed in the
table, the message "AL not Set“ appears on the display. Therefore it is neces-
sary to set the response values for Alarm 1 (AL1) and Alarm 2 (AL2) manually.
A detailed description of the process is given in the chapter "parameter
setting“.
After restoring the factory settings, the preset function is automatically active
again.
During operation, the preset function can be started manually via the menu
SEt.
3.5 Automatic self test
The device automatically carries out a self test after connection to the system
to be monitored and later every hour. During the self test internal functional
faults are detected and appear in form of an error code on the display. The
alarm relays are not checked during this test.
3.6 Manual self test
After pressing the internal test button for > 1.5 s, a self test is performed by the
device. During this test, internal functional faults are determined and appear
in form of an error code on the display. The alarm relays are not checked dur-
ing this test.
While the test button T is pressed and held down, all device-related display el-
ements appear on the display.
3.7 Functional fault
If there is an internal functional fault, all three LEDs flash. The display shows an
error code (E01…E32). In such a case please contact the Bender Service.
3.8 Fault memory
The fault memory can be activated, deactivated or can be set to continuous
mode (con). If the fault memory is set to "con“ mode, the alarm parameters re-
main stored even on failure of the supply voltage.
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