2680
Generac · Guardian 24kW Home Standby Generator
Internal Evolution controller hardware or logic fault detected — try power cycling: switch to OFF, wait 30 seconds, switch to AUTO; if fault persists, controller board may have failed from power surge or moisture intrusion; dealer diagnosis required
Error 2680 on the Generac Guardian 24kW Home Standby Generator means: Controller Fault. The top-ranked community fix is “Replace the Evolution Controller Board” (hard difficulty, ~120 min, DIY cost: $0). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · standby generator
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many standby generator repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $400-$600.
The Generac Guardian 24kW Home Standby Generator has 8 other known error codes:
Error code 2680 also appears on 2 other Generac models:
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