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E5

E5 - STD compressor motor overcurrent/lock (Outdoor Unit)

Daikin · Simple Self Diagnosis by Malfunction Code | Daikin

What does E5 mean?

The standard compressor motor in the outdoor unit has detected overcurrent or is locked, preventing it from running.

Common Causes

  • Compressor electrical fault
  • Mechanical seizure of the compressor
  • Voltage supply issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off power to the unit at the breaker.

  2. 2

    Wait for one minute, then restore power.

  3. 3

    If the error code persists, the compressor or its related components require professional inspection.

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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