Citiz service manual
112
FUNCTION TESTS
9.7.4 What to do if the protective earth continuity test fails
• Check/measure ground wire connection in platform (refer to page 65) and on ther-
moblock (refer to page 84).
• Check/measure ground connection on milk frother connector (refer to page 64 and
page 97 for wiring diagram). Replace milk frother connector if necessary.
• Clean ground contact on milk frother. Measure resistance between ground contact
and jug of milk frother. Replace milk frother if necessary.
Do not damage
inside coating of
milk frother jug with
the probe tip.
Additional test for coffee machine
Citiz & milk:
1) Touch upper metallic part of milk
frother with red test probe.
2) Press "measure" button and read off
displayed resistance.
3) Repeat measurement on another
metallic spot of milk frother for verifica-
tion.
The resistance must be lower than
0.3 Ohm.
4) Fill in measured value(s) in a test
report.
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