VOLTCRAFT VC40 Operating Instructions Manual page 43

RCD test
Only run the RCD test when all LEDs are green and the
acoustic signal is constant.
Status
Wires are connected
properly. The RCD was not
triggered.
The RCD was triggered
and the test results are
acceptable.
The circuit was not broken.
In addition, the voltage
drop between the ground
and neutral wires is
>50/V AC.
LED status
LED1 LED2 LED3
green green green Steady signal
green green green No signal
red red
red red
Acoustic
signal
green Pulsating
signal / beeps
red
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