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Stap 1
Unplug the machine, turn all switches to the off position. The unit should be cold (Ready light off)
Basic continuity check to verify there are no wiring faults before proceeding
  • Unplug the machine, turn all switches to the off position. The unit should be cold (Ready light off)

  • Set the multimieter to test resistance (Ohms). Connect one of the test leads to the power plug Ground prong (rounded prong) of the machine.

  • Touch the other lead of the multi-meter to the espresso machine chasis. Resistance should measure very low - near zero Ohms.

  • Connect the leads of the multi-meter across the Line and Neutral prongs of the power plug and perform the following continuity tests:

  • Line (Black) to chassis Ground - should be open circuit (no continuity) - any other result would be a serious fault condition, the machine should not be operated.

  • Neutral (White) to chassis Ground - should be open circuit (no continuity) - any other result would be a serious fault condition, the machine should not be operated.

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