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15012

15012 — Suction gas thermistor fault, circuit A

Carrier · 30XA/XAS/XB/XBP/XW Chillers

What does 15012 mean?

The sensor for suction gas temperature on circuit A has a fault. Circuit A will shut down.

Common Causes

  • Defective suction gas thermistor
  • Wiring issue on circuit A

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the wiring to the suction gas thermistor for circuit A.

  2. 2

    Examine the thermistor for any physical damage.

  3. 3

    Contact Carrier Service if circuit A does not restart.

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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