5.4 Displaying the Test Result
78
Test is unsuccessful when lights up. Similar to the withstand-voltage test
or insulation-resistance test FAIL state.
Withstand-voltage test : "3.4.2 "FAIL" Determination" (p. 46)
Insulation-resistance test : "4.4.2 "FAIL" Determination" (p. 63)
5.4.2 "FAIL" Determination
• When a current 1.5 times higher than the upper-limit test value is flowing while
performing a withstand-voltage test, the voltage is immediately blocked by the
insulation circuit, resulting in an UPPER FAIL. In such cases, the current value
is not displayed, and “- - - “ will appear.
• When the optional "Insulation-Resistance Measurement Range" function is
set to "1: Auto Range", it takes up to 1.5 s to display the resistance value.
When the insulation-resistance test finishes before the preset test time, test
may end in .
• When a fixed range is set, “O.F.” will show when the value is beyond the
range’s measurements and “U.F.” will show when the value is lower than the
measurement range.
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