Magnum MMG330 / MMG330 Super Start — Resetting of the Time to Service Reminder
Maintenance · Magnum Digital Controller (MDC)
For the Magnum MMG330 / MMG330 Super Start, from the Magnum owner's manual.
Applies to: Magnum MMG330, Magnum MMG330 Super Start, John Deere PE609HFG95 engine
Procedure
- With the unit shut down, power up the controller with the Control On/Off toggle switch
- Press Page Select until Engine Protect line is reached and press Enter
- "WrnMaintanance" appears with the current service time hour setting below it
- Press Enter; current run time in hours appears on the display
- Reset the current run time hour setting to 250
- Press Enter to save the run time hour setting
- Move the Control On/I toggle switch to Control Off/O
Source: Magnum owner'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.