Real ChatGPT answer · index seedhnvf8V6UvuQcompleteHome services and improvement · HVACcommercial

My Lennox furnace stopped blowing hot air and shows error code four on the LED display, so what should I check first?

ChatGPTgpt-61 query11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
My Lennox furnace stopped blowing hot air and shows error code four on the LED display, so what should I check first?
1 real search · 1 real-search pass
Lennox furnace four flash error code LED diagnostic high limit meaning model specificGoogle ↗
OBSERVEDReason

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (1)
Short factOther / navigationalComparisonConsequenceReason100%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model).

Searches and sources

ChatGPT1 real searches · gpt-6
Lennox furnace four flash error code LED diagnostic high limit meaning model specific Google ↗

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Lennox furnace four flash error code LED diagnostic high limit meaning model specific
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
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