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Overvoltage detection

Overvoltage detected

Daikin · FTXF-D

What does Overvoltage detection mean?

The system has detected a voltage that is too high. This could damage the unit.

Common Causes

  • Power surge
  • Incorrect voltage supply

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power supply to the unit at the circuit breaker.

  2. 2

    Wait for 30 seconds and turn the power back on.

  3. 3

    If the problem persists, contact your installer to check the power supply.

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