Nescafe C70 - Test Sequence

Version 1.0 en Prodigio service manual
87
FUNCTION TESTS
8.6.3 Test sequence
This test sequence is
only an example and
has to be adapted to appli-
cable national standards
and regulations.
Danger of electrocution!
Do not plug in the coffee machine during the protective earth continuity
test.
Read and observe safety instructions in user manual of test equipment.
Symbolic illustration
of test equipment.
1) Connect black measuring cable to
ground pin of power plug with an alli-
gator clip (example shown: Swiss
power plug).
2) Switch on test equipment and select
protective earth continuity test.
MEASUR
E
L
O
CK/
STOP
CO
M
P
LI
G
HT
0Ω ADJ
By looking into the
capsule ejection slot
form below, the screw head
is visible on the right-hand
side. There is a conductive
connection between screw
head and thermoblock.
3) Remove water tank.
4) Remove maintenance unit.
5) Open slider.
6) Insert tip of red test probe up into cap-
sule ejection chute and touch screw
head on the right-hand side.
7) Press "measure" button and read off
displayed resistance.
The resistance must be lower than
0.3 Ohm.
8) Fill in measured value in a test report.
4
5
3
7
MEASUR
E
L
O
CK/
STOP
CO
M
P
LI
G
HT
0Ω ADJ
0
.
2
15 Ohm
T
est passed
6