This test sequence is not applicable for cof­ fee machines with

two­wire power cords (with­ out ground pin).

Symbolic illustration of test equipment.

F U N C T I O N T E S T S

9.8.3 Test sequence

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.

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.

The coffee machine Citiz & Co has 2 test holes to check both

thermoblocks.

Test holes on bottom of Citiz / Citiz & milk / Citiz & Co platforms

3)Insert tip of red test probe in test hole and touch thermoblock.

4)Press "measure" button and read off displayed resistance.

The resistance must be lower than

0.3Ohm.

5)Fill in measured value(s) in a test report.

142Citiz service manual

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Nespresso EF483/484, EF485/486, EF487/488 manual Test sequence, Resistance must be lower than Ohm