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15046

15046 — Free Cooling Water Loop Thermistor Failure

Carrier · 30XA/XAS/XB/XBP/XW Chillers

What does 15046 mean?

The thermistor monitoring the free cooling water loop has failed. Free cooling will be disabled.

Common Causes

  • Defective free cooling water loop thermistor
  • Wiring problem

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the wiring to the free cooling water loop thermistor.

  2. 2

    Check the thermistor for any visible damage.

  3. 3

    Contact Carrier Service if free cooling remains disabled.

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

Related Faults

1007810078 — High discharge gas temperature, circuit A1007910079 — High discharge gas temperature, circuit B1008010080 — High discharge gas temperature, circuit C
Source: Carrier 30XA/XAS/XB/XBP/XW Chillers
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