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Home›Repair guides›Constant Excitation Test

Generac — Constant Excitation Test

For these Generac models: NP and IM Series, NP/IM.

Applies to: Generac Np And Im Series

Procedure

  1. Shut the generator engine down.
  2. Connect a voltmeter to the generator’s AC output

Source: manual:Generac Service Manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.