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12011

12011 — Oil pressure transducer fault, circuit B

Carrier · 30XA/XAS/XB/XBP/XW Chillers

What does 12011 mean?

The oil pressure transducer on circuit B has a fault. Circuit B will shut down.

Common Causes

  • Faulty oil pressure transducer
  • Connection problem on circuit B

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the wiring connections to the oil pressure transducer on circuit B.

  2. 2

    Examine the transducer for any physical damage.

  3. 3

    Contact Carrier Service if circuit B continues to 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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