Display
Operating status
Warning signals
Operation in accordance with
chapter
[Error motor fault]
[NRV opened]
Pressure switch
detects backflow, the
motor-powered flap
cannot be closed, it is
blocked or the motor is
defective
Risk of flooding!
Prompt to use the
manual emergency
lock.
Continuous signal
Operating condition – malfunc‐
tion
[Battery operation]
[NRV opened]
Mains voltage 230 V
failed
Rechargeable battery
has taken over the
power supply
Backflow protection is
assured four the next
24 hours
Warning signal every
10 seconds
Operating condition – battery-
powered emergency operation
3.4.2
Operating condition - normal operation
In normal operation, control parameters can be entered and information
can be called up with the T1, T2 and T3 buttons. The button functions
are combined as follows:
Button
Function
T1 – Menu
Scroll through menus with
repeated pressing / Display
ascending values in the sub-menu
T2 – Test
Display descending values in the
sub-menu
T3 – Reset
first press = enter menu
second press = exit menu and
save selected value
The available menus to set the control parameters are displayed by
pressing the menu T1 button repeated on the display.
With the T3 button, you can access a menu and save and exit the menu
after selected a suitable value.
Within the menus, you can scroll up and down through the values with
the T1 and T2 buttons.
Button functions in normal operation
Handling
Grundfix Plus Control backflow trap type 3
26