Seaward 250 PrimeTest - Manual (Page 30)

PrimeTest 250+ Operating Instructions
28
3.4 Testing a mains cord
• Visually inspect the mains cord and plug for
signs of damage.
• Check that the correct fuse is fi tted.
• If the cord passes a visual inspection proceed
with the electrical tests.
• Plug the mains cord under test into the IEC
socket and the front panel test/mains socket
on the PrimeTest 250+.
• Press the CLI test key.
• The PrimeTest 250+ will fi rst test the continuity
of the protective earth.
• If the measured value is greater than the factory
set limit a cross is placed next to the R
PE
enunciator, a FAIL is indicated and the test
sequence will be halted.
• If the measured value is less than the factory
set limit a tick is placed next the R
PE
enunciator.
• The unit will proceed with the Insulation test.
• If the Insulation Resistance is lower than the
factory set limit a cross is placed next to the
Riso enunciator and the test sequence is halted.
• If the Insulation Resistance is greater than the
factory set limit a tick is placed next to the
Riso enunciator. If the Insulation Resistance is
less than the set limit a cross is placed next
to the Riso enunciator, the FAIL enunciator is
displayed and the test sequence is halted.
• The unit will proceed with the wiring test,
checking the live and neutral conductors for
short or open circuit and reverse connections
• If the wiring is correct a tick is placed next to
the cord enunciator, the GOOd enunciator
is illuminated and a PASS is indicated for
the sequence.