Tag: carrier

All the articles with the tag "carrier".

• Carrier 45 Error Code — Causes & Fix

  22 Apr, 2026

  What Carrier 45 means, why it happens, and how to fix it step by step.

• Carrier 43 Error Code — Rollout Switch Open Fix

  23 Mar, 2024

  Carrier error code 43 means the rollout switch has tripped due to flame rollout. This guide covers every cause and fix for the Code 43 rollout lockout on Carrier furnaces.

• Carrier 41 Error Code — Blower Motor Fault Fix

  22 Mar, 2024

  Carrier error code 41 means the blower motor is not operating correctly. This guide covers diagnosis and fixes for the ECM blower motor fault on Carrier gas furnaces.

• Carrier 31 Error Code — Pressure Switch Fix

  4 Mar, 2024

  Carrier error code 31 means the pressure switch is stuck open or failed. This step-by-step guide walks you through diagnosing the inducer, hoses, and switch itself.

• Carrier 13 Error Code — Limit Switch Lockout Fix

  3 Mar, 2024

  Carrier error code 13 means the limit switch tripped due to overheating. This guide covers every cause and fix — from clogged filters to cracked heat exchangers.

• Carrier 21 Error Code — Gas Heating Lockout Fix

  2 Mar, 2024

  Carrier error code 21 signals a gas heating lockout — the furnace failed to ignite after multiple attempts. Learn the exact steps to diagnose and reset it.

• Carrier 34 Error Code — Ignition Proving Failure Fix

  1 Mar, 2024

  Carrier error code 34 means ignition proving failure — the furnace tried to light but couldn't confirm a flame. Here's how to diagnose and fix it fast.