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Generac MMG50ITM — Auto Exercise Timer

Operation · Digital Controller

For the Generac MMG50ITM, from the Generac operator's manual.

Applies to: Generac MMG50ITM, Isuzu 4LE2XAGV01 engine

Before you start

  • The controller must be in Auto mode to run at the programmed time. Use a trickle battery charger or solargizer to prevent the controller from draining the battery while in Auto mode.

Procedure

  1. Press PAGE SELECT until Password appears at the top of the screen.
  2. Press down arrow until Date/Time is selected and press ENTER.
  3. Press down arrow until Timer1 Repeat is selected and press ENTER.
  4. Choose the day or days the unit should run and press ENTER.
  5. Press down arrow until Timer1 ON Time is selected and press ENTER.
  6. Adjust the desired time to start running and press ENTER.
  7. Press down arrow until Timer1Duration is selected and press ENTER.
  8. Adjust the run period length and press ENTER.
  9. Press PAGE SELECT three times to return to the Main menu.
  10. Press AUTO to switch modes to automatic.

Full service-parts list: Generac MMG50ITM →, Isuzu 4LE2XAGV01 engine →

Source: Generac operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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