Generac G0070420 — Setting the Exercise Timer

Operation · Controller

For the Generac G0070420, from the Generac owner's manual.

Applies to: Generac G0070420, Generac GH-426 engine, Generac GTH-530 engine, Generac GT-999 engine

Procedure

1. Set Day/Time: generator starts and exercises on the specified day and time.
2. Set Exercise frequency: Weekly, Biweekly, or Monthly (if Monthly, select day 1-28).
3. Transfer of loads does not occur during exercise unless utility power is lost.
4. Exercise operates only when generator is in AUTO mode.

Full service-parts list: Generac G0070420 →

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.

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