Test Sequence - Nespresso ZENIUS ZN 100 PRO Service Manual

8.5.3 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 eqipment.
ON
1. Unplug mains connector and
remove water tank. Switch on
coffee machine.
Touch with the probe the measuring points highlighted in red.
For each measuring point press measure button and read off displayed resistance.
The insulation resistance must always be higher than 300 kOhm (300,000 Ohm).
2. Connect the phase and neutral
pin of the power plug together
with a test adapter (procured by
the repair centre). (Example
shown: Swiss power plug)
F U N C T I O N T E S T S
3. Connect the black measuring
cable to the test adapter.
Switch on test equipment and
select an insulation test voltage
of 500 V DC.
Some test equip-
ment displays test
passed or failed instead of
the insulation resistance.
Recommended probe
for this position with
diameter 2 mm and length
65 mm.
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