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L5

L5 - Total input overcurrent (Outdoor Unit)

Daikin · Simple Self Diagnosis by Malfunction Code | Daikin

What does L5 mean?

The total current drawn by the outdoor unit exceeds its designed limits, indicating a potential overload or electrical fault.

Common Causes

  • Overloaded system
  • Electrical wiring issue
  • Faulty component

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power supply to the unit.

  2. 2

    Ensure all air filters and coils are clean.

  3. 3

    Restore power and check if the error clears.

  4. 4

    If the error persists, contact a qualified technician.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

6-06-0 - External protection device activated (Heat reclaim ventilator)6-16-1 - Malfunction of PCB (Heat reclaim ventilator)6-26-2 - Ozone density abnormal (Heat reclaim ventilator)
Source: Simple Self Diagnosis by Malfunction Code | Daikin
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