hager hw+ - Page 159

1596LE008146B
Maintenance and replacement of the backup battery
Action Illustration
8 check that there is no
alarm on the display.
Briefly press
the button to
acknowledge the battery
low or absent indicator.
9 Check that the battery low
or absent icon disappears
after 5 seconds.
I Max 960A
100
80
60
40
20
%Ir IN I1 I2 I3
120
ATTENTION
If an error appears, refer to Chapter 03 hw+ circuit breaker troubleshooting in the
6LE007897Ab maintenance guide.
10 Remove the external
battery.