CodeRegistry
Brands
  1. Home
  2. York
  3. Air-Cooled Chillers
  4. Bit3: 1-Fault
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Bit3: 1-Fault

Fault Word 8, Bit 3 — Ckt2 High pressure alarm

York · Air-Cooled Chillers

What does Bit3: 1-Fault mean?

An alarm condition indicating high pressure in Circuit 2.

Common Causes

  • High pressure in Circuit 2
  • Condenser airflow restriction
  • Ambient temperature too high
  • Defective high-pressure sensor for Circuit 2

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clear any obstructions to the condenser airflow.

  2. 2

    Check if ambient temperatures are within the unit's specifications.

  3. 3

    Verify the refrigerant charge is correct.

  4. 4

    Contact a service professional to check the sensor.

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 135)Search more codes in this manual