Generac MMG50ITM — Resetting the Time to Service Reminder
Maintenance · Digital Controller
For the Generac MMG50ITM, from the Generac operator's manual.
Applies to: Generac MMG50ITM, Isuzu 4LE2XAGV01 engine
Procedure
- With the unit shut down, power up the controller with the Control Power switch.
- Press PAGE SELECT; lines of text display starting with Password.
- Press the down arrow to move the cursor to Engine Protect.
- Press ENTER; WrnMaintenance appears with the current service time (0) below it.
- Press ENTER; the current run time in hours appears under WrnMaintenance.
- Press the up arrow to reset the current run time hour setting to 250.
- Press ENTER to save the run time hour setting.
- Move the Control Power switch to the OFF (O) position.
Specs & values
- 250 hours
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.