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T049

T049 — Circuit B Compressor Availability Alert

Carrier · 38AP Air Handler

What does T049 mean?

This alert signifies that Circuit B's compressor is not available or has been shut down. A manual reset is needed to clear this alert.

Common Causes

  • Circuit B compressor shutdown
  • System fault affecting compressor operation

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a manual reset of the alert.

  2. 2

    Determine why Circuit B's compressor has been shut down.

  3. 3

    Review relevant system diagnostics and safety lockouts.

  4. 4

    Seek professional assistance if necessary.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

A051A051 — Circuit A, Compressor 1 Stuck On Failure AlarmA052A052 — Circuit A, Compressor 2 Stuck On Failure AlarmA053A053 — Circuit A, Compressor 3 Stuck On Failure Alarm
Source: Carrier 38AP Air Handler
Open Manual (Page 163)Search more codes in this manual