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Bit11: 1-Fault

Fault Word 3, Bit 11 — Unit water flow fault

York · Air-Cooled Chillers

What does Bit11: 1-Fault mean?

Indicates a fault related to the water flow within the unit itself.

Common Causes

  • Low water flow through the unit
  • Malfunctioning water flow sensor
  • Internal blockage

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Confirm adequate water flow is circulating through the unit.

  2. 2

    Check the unit water flow sensor for proper function.

  3. 3

    Inspect internal components for any potential blockages.

  4. 4

    Seek professional assistance if the issue persists.

Browse all codes in this manual (23)
Verified technical data. Last updated: April 2026

Related Faults

1b Bit15: 1-FaultFault Word 2, Bit 15 — Ckt1 LPT fault2b Bit15: 1-FaultFault Word 2, Bit 15 — Ckt2 LPT fault3b Bit15: 1-FaultFault Word 2, Bit 15 — Ckt1 HPT fault
Source: York Air-Cooled Chillers
Open Manual (Page 133)Search more codes in this manual