Can you guide me through troubleshooting a Nest thermostat wiring error C18 on my furnace system so I do not have to call an expensive HVAC tech?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Can you guide me through troubleshooting a Nest thermostat wiring error C18 on my furnace system so I do not have to call an expensive HVAC tech?
2 real searches · 1 real-search pass
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 (2)
Classes come from the query-classifier (a local Laya model). 1 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
Google Nest thermostat error code C18 wiring furnace meaning official support Google ↗
Nest thermostat C18 error code wiring HVAC Google ↗
- Troubleshoot Nest thermostat help codes · support.google.com
- Learn about the common or C wire · support.google.com
Queries
2 queries · click a column to sort