Tag: lennox
All the articles with the tag "lennox".
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Lennox Error Code 432 — Causes & Fix
What Lennox error code 432 means, why the blower motor faults, and how to fix it step by step.
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Lennox Error Code 540 — Causes & Fix
What Lennox error code 540 means, why the iComfort communication fault triggers, and how to fix it step by step.
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Lennox Error Code 125 — Causes & Fix
What Lennox error code 125 means, why the pressure switch stays open at the end of heat speed, and how to fix it.
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Lennox Error Code 231 — Causes & Fix
What Lennox error code 231 means, why the rollout switch trips, and how to reset and repair it safely.