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12001

12001 — Discharge transducer fault, circuit A

Carrier · 30XA/XAS/XB/XBP/XW Chillers

What does 12001 mean?

The pressure transducer measuring discharge gas pressure on circuit A has a fault. Circuit A will shut down.

Common Causes

  • Defective discharge transducer
  • Installation fault
  • Wiring issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the wiring to the discharge transducer on circuit A.

  2. 2

    Inspect the transducer for any signs of damage.

  3. 3

    Contact Carrier Service for further diagnostics if the circuit remains shut down.

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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