Generac IQ3500 — Transfer Back to Utility Power Source
Operation · Transfer switch / control panel
For the Generac IQ3500, from the Generac owner's manual.
Applies to: Generac IQ3500, Generac GH-410 engine, Generac GT-530 engine, Generac GT-530 engine, Generac GT-990 engine, Generac GT-999 engine
Procedure
- Set the Main Circuit Breaker (Generator Disconnect) to its OFF (OPEN) position.
- Allow the engine to run for 2 minutes at no-load to stabilize internal temperatures.
- Press the Control Panel OFF button. The engine should shut down.
- Ensure that utility power supply to the transfer switch is turned off.
- Use the manual transfer handle to move the main contacts back to their UTILITY positions.
- Turn on the utility power supply to the transfer switch.
- Press the Control Panel AUTO button.
Tools required
- Manual transfer handle Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Generac IQ3500 →
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.