Probe shows conductors 4 and 5 bad. The scanner shows only conductor 5 is bad

POS! Used it twice and now the network cable tester always shows cable fail. Probe shows conductors 4 and 5 bad. The scanner shows only conductor 5 is bad. Tried two known to be good cables. It only cost $20.00 but it should work longer than two uses. At $20.00 it's not worth the trouble to return it. In the garbage it goes!

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