Trane
Limit / airflow
ProtectOvertemp / CFM
Communicating heat CFM is a bus request, not a tap.
Walk Limit / airflow in Diagnose
Sign in for the next measurement
First check
1 Airflow before you touch the limit
On Trane XC95m a limit is airflow or overfire until proven otherwise. Do not replace the limit first. Filter, blower wheel, A-coil, and the heat-speed setting for THIS motor (tap, model plug, or communicating CFM — not a sister SKU chart). Stat / IFC airflow configuration vs coil and filter.
Expect: Rise in the rating-plate window. Static vs this cabinet’s blower chart.
The rest of the walkthrough is Diagnose.
On the plates
- Stat / IFC airflow configuration vs coil and filter.
- TES. Media cabinets on Platinum jobs are the usual.
- Rollout is still a hazard — inspect before reset.