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Bit2: 1-Fault

Fault Word 8, Bit 2 — Ckt1 High pressure alarm

York · Air-Cooled Chillers

What does Bit2: 1-Fault mean?

An alarm condition indicating high pressure in Circuit 1.

Common Causes

  • Refrigerant overcharge
  • Blocked condenser airflow
  • High ambient temperature
  • Faulty high-pressure sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check for obstructions to condenser airflow.

  2. 2

    Verify ambient conditions are within operating limits.

  3. 3

    Ensure correct refrigerant charge.

  4. 4

    A technician should inspect the high-pressure 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