Direct answer
A running engine does not prove the transfer switch moved or generator output is available. Keep hands out of transfer equipment.
What this covers
- Residential automatic standby generators running without supplying connected circuits
- The exact condition described in the title
- Customer-accessible checks before internal repair or reset
What it does not cover
- ×A different brand, model family or similar-looking code
- ×Internal live-electrical, gas, refrigerant or sealed-system testing
- ×A guarantee that a named component has failed without isolation
Capture the exact state
ReversibleCheck generator breaker position and controller status without opening cabinets.
Separate the likely fault domains
ReversibleConfirm the utility outage, remove unnecessary loads and inspect only external indicators.
Correct only the proven, accessible condition
ReversibleReset a clearly tripped accessible breaker once after identifying cause; transfer testing is professional work.
Verify once before going farther
ReversibleConfirm transfer and retransfer under an authorized controlled test.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I record first for “Generator runs but the house does not receive backup power”?+
Check generator breaker position and controller status without opening cabinets.
Does the symptom or code prove a part has failed?+
No. Confirm the utility outage, remove unnecessary loads and inspect only external indicators.
When should I stop troubleshooting?+
Treat transfer equipment as energized from multiple sources; stop for arcing, heat, buzzing or damage.
Answer for the exact device and software version shown above.