Nespresso Citiz & Co EF 488 - Manual (Page 143)

Citiz service manual 143
F U N C T I O N T E S T S
9.8.4 What to do if the protective earth continuity test fails
• Check/measure ground connection in platform (refer to page 75).
• Check/measure ground connection on milk frother connector (refer to page 73 and
page 124 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.