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4-way valve abnormality

4-way valve abnormality

Daikin · FTXF-D

What does 4-way valve abnormality mean?

The 4-way valve, which controls refrigerant flow direction, is malfunctioning.

Common Causes

  • Faulty 4-way valve
  • Electrical issue with the valve

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power supply to the unit.

  2. 2

    Wait 30 seconds, then restore power.

  3. 3

    If the error code reappears, contact your installer for service.

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

Related Faults

BeepSingle beep - Setting changesBeep-beepTwo beeps - Operation startsBlk flashing/Error code displayedOperation lamp flashes and malfunction code appears
Source: Daikin FTXF-D
Open Manual (Page 12)Search more codes in this manual