Nespresso EF 280, Service Manual, Page: 78 / 88

Pixie service manual
78
F U N C T I O N T E S T S
8.7.4 What to do if the insulation test fails
• Assume that the coffee machine is defect after a failed insulation test.
• Check wiring and locate fault. After fault clearance proceed with troubleshooting
check list (see page 26).
By looking into the
capsule ejection slot
form below, metallic
parts of the thermoblock
are visible on both sides of
the capsule cage.
9) Touch closing handle with red test
probe.
10) Press "measure" button.
11) Read off displayed insulation resist-
ance or test result.
12) Insert tip of red test probe up into cap-
sule ejection slot and touch thermo-
block.
13) Press "measure" button.
14) Read off displayed insulation resist-
ance or test result.
The insulation resistance must be
always higher than 300 kOhm
(300’000 Ohm).
15) Switch off test equipment.
16) Short red with black test probe to
make sure that test voltage is dis-
charged.
17) Fill in results in a test report.
Risk of damage!
A sparkover can damage the electronic control board etc.
10
Test passed
9
12