Bender LINETRAXX VMD461, Manual

Page: 67 / 84

67 VMD461_D00314_01_M_XXEN/10.2018
7. Maintenance, troubleshooting, messages
7.1 Manual self test
The self test can only be started manually when the electrical installation has
been started by the VMD461 and is free of alarms (both alarm LEDs are off).
Start of the manual self test:
1. Press the test button in the standard display (> 1.5 s) or
2. Select in the menu
4.7 Test .
The alarm relays K1 and K2 switch during the self test and open or close the
contacts 11/12/14 and 21/22/24.
When contact monitoring is activated for switch/disconnector K1 and/or
K2 , the time until the switch/disconnector has actually switched off is addi-
tionally measured ( t
(off) total
).
The longer one of the two switch-off times is shown as an alarm in the display
for 10 seconds and can be read in the
menu 1.15 (t
(off) total
) until the device is
shut down.
The manual self test is stored in the history memory.
In case of a manual self test, alarm relays K1 and K2 trip if the
corresponding alarm assignment is activated in menu 3.8.6.
"Test".