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6-0

6-0 - External protection device activated (Heat reclaim ventilator)

Daikin · Simple Self Diagnosis by Malfunction Code | Daikin

What does 6-0 mean?

An external safety device has tripped, shutting down the heat reclaim ventilator.

Common Causes

  • External electrical protection fault
  • Wiring issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check your building's circuit breakers for any tripped breakers related to this unit.

  2. 2

    Reset any tripped breakers.

  3. 3

    If a breaker trips again, do not reset it and contact a qualified technician.

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

Related Faults

6-16-1 - Malfunction of PCB (Heat reclaim ventilator)6-26-2 - Ozone density abnormal (Heat reclaim ventilator)6-36-3 - Contaminated sensor error (Heat reclaim ventilator)
Source: Simple Self Diagnosis by Malfunction Code | Daikin
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