DEVICE FRONT
Manual operation
CONDITION
LED SIGNALS
Restart device not cut in.
Differential switch closed.
System powered up.
Restart device
not cut in.
Differential switch tripped or opened intentionally.
System disconnected and sectioned.
Restart device
cut in.
Differential switch closed.
System powered up.
Restart device
blocked due to a fault in the system down-
stream. Attempt a manual restart. Call the installation tech-
nician if the attempt fails. Differential switch tripped.
System disconnected but not sectioned.
Restart device in the
check for presence of a fault or
reclosing phase. Opening the hatch interrupts automatic
reclosing, making the manual manoeuvre possible.
System disconnected but not sectioned.
Automatic operation
red
red
Key
LED off LED onLED blinking
LED SIGNALS