GMC-I Messtechnik GmbH 59
– Momentary line voltage at the
SECUTEST test instrument is out-
side of the range permitted for a
10 A/25 A-R
PE
measurement (110
to 120 V or 220 to 240 V).
➭ The 10 A/25 A-R
PE
measurement
is only available when line voltage
is between 220 V and 240 V or
110 V and 120 V at 50 Hz or
60 Hz.
➭ If you’re working with the SECUT-
EST in a system which does not lie
within this voltage range, use one
of the 200 mA test currents in
order to determine protective con-
ductor resistance.
Connection Error at the Test Socket
– Test probe P1 is not connected.
Or
– The test instrument’s 10 A/25 A
transformer is overheated.
Or
– One of the fuses has blown (fuse
holder in close proximity to the
mains input).
➭
Repeat measurement with probe P1
connected.
➭ Check the fuses and replace if nec-
essary.
➭ Select a different test current (e.g.
200 mA) or wait until the trans-
former has cooled down and then
repeat the measurement.
The 10 A/25 A measurement
is not suitable for continuous
operation!
– A short-circuit has been detected
at the test socket between L and
N.
➭ Determine whether or not the de-
vice under test is defective.
➭ In the case of DUTs which are in-
tended for operation at an outlet
that’s protected with a 16 A fuse, a
short-circuit may be detected
under certain circumstances if, for
example, they include a PTC resis-
tor (e.g. large floodlights).
Be sure to use a 3-phase test
adapter in order to test devices of
this sort (e.g. the AT3-IIIE).
➭ You can skip over this short-circuit
message at your own risk and
place the device under test into
service. Any damage resulting from
skipping over this warning is ex-
cluded from the guarantee!
– A device under test is connected to
the SECUTEST and has been
started up, whose leakage current
(measured by means of the differ-
ential current method) exceeds the
limit value specified in setup.
➭ If the device under test normally
generates a leakage current of
greater than 10 mA (e.g. large
heaters), temporarily increase the
“residual current protection” value
selected in setup to 30 mA and try
again.
➭ If values of this magnitude are not
to be expected for the respective
device under test, or if the “residual
current protection” value has al-
ready been set to 30 mA in setup,
there may be a ground fault at the
DUT.
Error Messages Possible Causes Corrective Measures
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