Real ChatGPT answer · index seedIpsFvhzqUYkcompleteHome services and improvement · HVACinformational

My Lennox furnace is throwing error code E230, which points to an ignition failure, so what diagnostic steps should I take with a multimeter?

ChatGPTgpt-61 query11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
My Lennox furnace is throwing error code E230, which points to an ignition failure, so what diagnostic steps should I take with a multimeter?
1 real search · 1 real-search pass
Lennox furnace E230 error code ignition failure diagnostic manual E230Google ↗
OBSERVED

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.

Classifying 1 queries…

Searches and sources

ChatGPT1 real searches · gpt-6
Lennox furnace E230 error code ignition failure diagnostic manual E230 Google ↗
  1. Integrated Control Diagnostic Codes · tech.lennoxintl.com
  2. UNIT INFORMATION · tech.lennoxintl.com

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Lennox furnace E230 error code ignition failure diagnostic manual E230
OBSERVED
Google ↗
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