13.5 Automatic RCD testing
Residual current device (RCD) testing
1. Turn the left-hand rotary knob to the RCD test position
(RCD).
The display illuminates with a yellow background.
2. For Type AC and A RCDs you can use two-wire testing.
Plug your L (red) test-lead into the red socket and your PE
(green) test-lead into the green socket.
2.1. For type B and EV RCDs/RDCs you need three-wire
testing. Plug your L (red) test-lead into the red socket,
your PE (green) test-lead into the green socket and your
N (blue) test-lead into the blue socket.
Three-wire is necessary for type B RCDs and EV/RDC.
or for type B or EV use 3 leads
3. Repeatedly press Hot key 2 until the type of RCD you are
testing is shown.
3.1. Alternatively, press Hot key 2 once and use the right-
hand rotary knob to select the type of RCD you are
testing.
4. Repeatedly press Hot key 4 until the current rating of the
RCD you are testing is shown.
4.1. Alternatively, press Hot key 4 once and use the right-
hand rotary knob to select the current rating of the
RCD you are testing from the list of options.
5. Repeatedly press Hot key 5 until the Hot key 5 displays
AUTO.
5.1. Alternatively, press Hot key 5 once and use the right-
hand rotary know to select AUTO from the options.
6. Connect your test-leads to the circuit on the load side of the
RCD you want to test.
NOTE : For reverse polarity detection use 3 wire
connections for all types of RCD or RDC testing.
7. Press and release the test button
The instrument will start the test sequence with the non-
trip testing and start to complete the AUTO sequence
table of results.
8. Once the tripping test commence, the RCD will need to be reset for the sequence to continue.
NOTE : The tests will automatically start when the RCD is reset.
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Residual current device (RCD) testing
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