What To Do If The Protective Earth Continuity Test Fails; Protective Insulation Test; What Is The Protective Insulation Test About; General - Nespresso C50 Service Manual

F U N C T I O N T E S T S

8.5.4 What to do if the protective earth continuity test fails

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8.6
Perform the protec-

8.6.1 What is the protective insulation test about?

tive earth (PE) conti-
nuity test at first, if it is
This test is necessary
mandatory.
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8.6.2 General

Legal regulation
In case of a repair/modification of the coffee machine, the repair centre is bound by law
to protect the user/consumer by
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Description
The insulation test
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For the insulation test, phase and neutral wire are shunted at the power plug. Then a
test voltage is applied between phase/neutral and selected parts of the coffee machine.
Test equipment
Ask Nespresso for
Special test equipment is needed that complies with the regulations to perform insulation
recommendations
and withstanding voltage tests. Detailed requirements and tolerances must be verified
about test equipment.
with your local authorities or measurement supplier in any case.
Ideally the test equipment has a national power socket for testing, so that the coffee
machine can plugged in directly. Otherwise a special shunt is necessary to connect the
phase and neutral pin of the coffee machine's power plug.
Test report
For legal reasons a repair or test report should be prepared and filed with following infor-
mation
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52
U service manual
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Check/measure ground wire connection of power cord; replace if necessary.
Check/measure ground connection terminal on thermoblock. Retighten terminal
screw if necessary.

Protective insulation test

for class 1 and 2 equipment (with/without protective earth)
after a repair whenever a general disassembly was performed.
restoring the regular condition of the appliance and
performing the mandatory tests according to applicable national regulations (e.g.
DIN VDE 0701) or international regulations (e.g. EN/IEC 60335-1 "Safety of house-
hold and similar electrical appliances").
assures that wiring and insulation of the coffee machine fullfill the normative require-
ments after a repair,
rates the insulation capability of the coffee machine,
is a very dangerous test because of a high test voltage (500 V DC).
customer (name, address)
type and serial number of coffee machine
Version 1.2 en