Generac — Shutting Down the Units in MANUAL Mode
Operation · Parallel system
From a Generac owner's manual covering: MDG150, MDG175, MDG250. Check it applies to your exact model before use.
Applies to: Generac MDG150, Generac MDG175, Generac MDG250
Before you start
- If any units are in parallel, do not disconnect the MSC cable.
Procedure
- Press the Open Circuit Breaker button on each unit to be shut down.
- Allow the engine to cool if previously under heavy load.
- Press the Engine Stop button.
- Turn OFF controller power.
- Turn battery disconnect OFF.
Full service-parts list: Generac MDG150 →, Generac MDG175 →, Generac MDG250 →
Source: Generac 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.