Prodigio service manual Version 1.0 en
90
FUNCTION TESTS
8.7.3 Test sequence
Danger of electrical shock/short circuit!
Do not plug in the coffee machine during insulation test.
Danger of electrical shock!
Do not touch tip of test probes.
Do not touch metallic parts of coffee machine during test.
Read and observe safety instructions in user manual of test equipment.
This test sequence is
only an example and
has to be adapted to appli-
cable national standards
and regulations.
Use a short circuit
plug or special alliga-
tor clips etc. as substitute
for this test adapter.
1) Connect the phase and neutral pin of
the power plug together with a test
adapter (procured by the repair
centre).
2) Connect the black measuring cable to
the test adapter (see image).
Symbolic illustration
of test equipment.
3) Switch on test equipment and select
an insulation test voltage of 500 V DC.
Some test equipment
displays test passed
or failed instead of the insu-
lation resistance.
4) Touch magnet at rear panel inside of
coffee machine with red test probe.
5) Press "measure" button.
6) Read off displayed insulation resist-
ance or test result.
The insulation resistance must
always be higher than 300 kOhm
(300,000 Ohm).
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