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Compressor lock

Compressor lock error

Daikin · FTXF-D

What does Compressor lock mean?

The compressor has encountered a lock condition and cannot operate.

Common Causes

  • Mechanical failure
  • Electrical issue
  • Refrigerant problem

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power supply to the unit immediately.

  2. 2

    Contact your installer for professional diagnosis and repair.

  3. 3

    Do not attempt to restart the unit.

Browse all codes in this manual (32)
Verified technical data. Last updated: April 2026

Related Faults

4-way valve abnormality4-way valve abnormalityBeepSingle beep - Setting changesBeep-beepTwo beeps - Operation starts
Source: Daikin FTXF-D
Open Manual (Page 12)Search more codes in this manual