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Join Date: Apr 2008
Posts: 1

compressor failure

04/22/2008 10:33 PM

How do I test a small freezer compressor for electrical failure with a multimeter? Thanks.

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Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#1

Re: compressor failure

04/23/2008 7:46 AM

When isolated from the supply:

  • Continuity of the windings.
  • Continuity between live and neutral.
  • Resistance between windings and Earth.

When on-load:

  • Current. Compare the measured current with the rated full-load current.
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