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Checking socket outlets and connecting wires
The test is the same for both socket outlets and connecting wires.
For this reason, only socket outlets are mentioned in this documentation.
The device is very easy to operate: turn the switch S1 to OFF, and plug the device into the socket outlet to be tested. You
should ensure that the phase conductor connects to the right-hand pin (viewed when device is inserted and faceplate
visible).
Checking the correct position
The device is ready to use for testing when the touch electrode is touched and the lamp GL1 lights up. If it doesn't,
either the device has been incorrectly wired.
Figure 2:
All lamps in the yellow area light up. The lamp GL1 must light up when the touch electrode is touched.
You must observe the fault depicted in figure 9.
Fault indication
No current flowing
None of the lamps light up. Touch the touch electrode as well. Should none of the lamps light up, the phase conductor is
not connected.
If one of the lamps in the yellow area glows, then the phase conductor is connected to the respective connection.
Figure 3:
The lamps N, L1 and L2 light up. When the touch electrode is touched, the lamp GL1 does not light up.
The phase conductor is not contacting the left-hand pin of the test device (viewed when device is inserted and faceplate
visible); it cannot be tested. Rotate the Schuki 2K 180° and re-insert.
Figure 4:
The lamps L1 and PE light up. GL1 lights up when the touch electrode is touched.
You must observe the fault depicted in figure 5.
Figure 5:
The lamps L1 and PE light up. Touching the touch electrode has no effect.
The phase conductor is connected to the earthing contact!
Figure 6:
The lamps L1 and N light up. GL1 lights up when the touch electrode is touched.
Figure 7:
Lamp L2 only lights up. Touching the touch electrode has no effect.
This fault configuration is indicated when the testing device has been incorrectly inserted.
The phase conductor is connected to the earthing contact!
Figure 8:
The lamps N, L1 and L2 light up. GL1 lights up when the touch electrode is touched.
This is a typical fault with older installations with classic 'protective multiple earthing', if the phase and protective earth
conductors have been reversed.
The phase conductor is connected to the earthing contact!
Figure 9:
The lamps L1, PE and N light up. Touching the touch electrode has no effect.
This is a typical fault in older installations with classic 'protective multiple earthing', if the phase and protective earth
conductors have been reversed.
The phase conductor is connected to the earthing contact!
Testing the ELCB protected circuit
Insert the testing device into a socket outlet and test the circuitry. If no fault is indicated, you can begin testing the ELCB
function. Using the switch S1, adjust the nominal fault current to the required value; press the button T. The nominal
fault current flows for 200 ms.
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