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burning smell

Burning smell — Fire hazard, stop use immediately

Daikin · Air Conditioner

What does burning smell mean?

A burning smell is detected coming from the unit. This is a critical safety warning indicating a potential fire risk.

Common Causes

  • Overheating internal components
  • Electrical short circuit
  • Component failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Immediately stop operation and turn off the circuit breaker.

  2. 2

    Do not attempt to use the unit.

  3. 3

    Call your dealer immediately to report the burning smell and arrange for service. Do not use until cleared by a technician.

Browse all codes in this manual (40)
Verified technical data. Last updated: April 2026

Related Faults

0000 — Normal operationA1A1 — Indoor unit PCB defect detectedA5A5 — High pressure or freeze-up protector activated
Source: Daikin Air Conditioner
Open Manual (Page 30)Search more codes in this manual