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GFCI Testing
The SureTest
®
applies 6mA though a fixed resistor to trip the GFCI. A func-
tional GFCI will disconnect the power. The reset button for the GFCI may be
at the receptacle or at the panel.
Note: The SureTest will not allow the GFCI test if a no ground condition
exists. Repair the ground circuit before testing.
To activate the GFCI test, press the GFCI button (GFCI) from anywhere with-
in the measurement menu. The actual current being bled from hot to neutral
will be displayed. (6mA is the nominal current sent through the fixed resis-
tor. The actual current will vary depending on the line voltage per UL1436.)
Test in progress will than appear on the display to let the user know that the
GFCI test is being performed. The unit will bleed the current until the GFCI
trips, or up to 6 seconds.
If the GFCI device is functioning properly, it will disconnect power, and the
display on the unit will go out. When the circuit is reset and power is
restored, the unit will display the actual time that the GFCI took to trip the
circuit. Pressing the down arrow button ( ↓ ) resets the unit and returns it to
the wiring verification mode.
If the GFCI fails to trip, the SureTest will show invalid on the display, indicat-
ing that the GFCI may be installed incorrectly, or the GFCI may be defective.
Note: In order to test GFCIs in a 2-wire system (no ground), the #61-175
ground continuity adapter must be used. Connect the alligator clip on the
adapter to a ground, such as a metal water or gas pipe.
Troubleshooting Tips
Measurement Expected Problem Possible
Result
GFCI Test
GFCI trips GFCI does - GFCI may be
with trip
time
<200mS
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Possible
Causes
Solutions
- Check wiring and
not trip
installed incorrectly re-wire device
(invalid
according to
test), or
manufacturer's
trip time
instructions
>200mS
- GFCI may be
- Repair/replace
defective
GFCI
13
AFCI Testing (#61-155 only)
The SureTest® w/AFCI applies a high current pulse onto the line within 8
consecutive half-cycles in accordance with UL1436. A functional AFCI
breaker will disconnect the power to the circuit. To restore power, reset the
breaker at the panel.
Note: The SureTest will not allow the AFCI test if a wiring problem exists.
Repair the circuit before testing.
To activate the AFCI test, press and hold the AFCI button from anywhere
within the measurement menu. The unit will countdown from 3 and display
a lighting bolt to let the user know that the test is being performed. if the
user releases the AFCI test button before the lighting bolt appears, the test
will be aborted.
If the circuit is protected by an AFCI breaker it will disconnect power, and
the display on the unit will go out.
If the AFCI fails to trip, the SureTest® will show invalid on the display, indi-
cating that the AFCI may be installed incorrectly, the AFCI may be defective,
or the line impedance was too high to allow sufficient current to pass
through the circuit for a proper test. Use the SureTest
the cause of the high resistance and repair the circuit.
Troubleshooting Tips
Measurement Expected Problem Possible
Result
Causes
AFCI Test
AFCI trips
AFCI does - AFCI may be
not trip
installed
(invalid
incorrectly
test)
- AFCI may be
defective
- High line
impedance (>Ω) and repair/replace
does not allow
enough current
to flow through
circuit to run
AFCI test
14
®
to identify and locate
Possible
Solutions
- Check wiring and
re-wire device
according to
manufacturer's
instructions
- Repair/replce GFCI
- Locate high
resistance/device
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