What To Do If The Insulation Test Fails - Nespresso C50 Service Manual

F U N C T I O N T E S T S
7) Touch slider with red test probe.
8) Press "measure" button.
9) Read off displayed insulation resist-
10) Insert tip of red test probe up into cap-
By looking into the
capsule ejection slot
form below, metallic
parts of the thermoblock
11) Press "measure" button.
are visible on both sides of
12) Read off displayed insulation resist-
the capsule cage.
13) Touch ground pin of power plug with
14) Press "measure" button.
15) Read off displayed insulation resist-
16) Switch off test equipment.
17) Short red with black test probe to
18) Fill in results in a test report.

8.6.4 What to do if the insulation test fails

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U service manual
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ance or test result.
sule ejection slot and touch thermo-
block.
ance or test result.
red test probe.
ance or test result.
The insulation resistance must be
always higher than 300 kOhm
(300'000 Ohm).
make sure that test voltage is dis-
charged.
Risk of damage!
A sparkover can damage the electronic control board etc.
Assume that the coffee machine is defect after a failed insulation test.
Check thermoblock, especially connections.
Check temperature sensor (NTC).
Check wiring and locate fault. After fault clearance proceed with troubleshooting
check list (see page 23).
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