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1.
Shutdown Limit Setting: May be set too low. This would cause normal input capacitor
charging to draw more that the preset leakage current limit, triggering a Leakage Current
Fail light, and terminating the test. Consider raising the acceptable leakage current level;
see
Adjustment of the Leakage Current Shutdown point
.
If the Shutdown Limit level is at its highest setting, and failures continue, a DC hipot tester
may be required
2.
Ramp Time: May be set too fast. A very fast ramp time may allow input capacitors to act
as short circuits, triggering a Leakage Current Fail light and terminating the test. Consider
to have a slower Ramp Time, by increasing the time; see
Ramp Time Adjust.
