14
TRISAN S8 Instrument description
Meaning of symbols and messages on the instrument display
Before performing a measurement, the instrument performs a series of pre-tests to ensure safety and to prevent
any damage. These safety pre-tests are checking for any external voltage and load condition on test terminals.
If a pre-test fails, an appropriate warning message will be displayed. Warnings and protective measures are
described in this chapter.
Run test warning message prior to appliance operation.
Supply voltage is monitored between 90 to 265VAC. This monitoring
feature is principally used for RCD testing. Tester will not function properly
` below 90VAC.
The maximum appliance run current is 16 amperes, above this threshold
message appears. The supply to the appliance will shut off.
This earth fault refers to the earth supply connection to the tester. The power
cord, tester or the power supply socket is damaged. The tester will not proceed
to operate. This feature can be disabled.
The supply to the tester has a cross over connection or the supply neutral is also
active similar to inverter or ship supplies. This feature can be disabled.
The test current is not being supplied or not of the correct magnitude to under-
take an earth resistance measurement. Could be the earth test probe, appliance
under test, bad connection or a faulty tester.
The measured value of earth resistance is above the standard earth resistance
allowable.
The electrical continuity of an appliance between active and neutral has not been
established. Safety testing cannot proceed until establishing the cause. Ensure the
appliance on/off switch is in the on position Some appliances do have high im-
pedance inputs like switch mode power supplies. Go to utilities menu to disable
the electrical continuity measurement for high Z appliances.
As above but applies to leads testing. Measures loss of active or neutral, active –
neutral swap or possible short between active and neutral.
The measured value of insulation resistance below the standard leakage allow-
able.
Consider displayed warnings before starting appliance testing
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