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J6

J6 - Malfunction of suction pipe thermistor (Outdoor Unit)

Daikin · Simple Self Diagnosis by Malfunction Code | Daikin

What does J6 mean?

This error indicates a problem with the temperature sensor on the suction pipe of the outdoor unit.

Common Causes

  • Faulty suction pipe thermistor
  • Wiring issue
  • Incorrect sensor placement

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power to the unit.

  2. 2

    Inspect the wiring for the suction pipe thermistor.

  3. 3

    Restore power and see if the error clears.

  4. 4

    If the error persists, a service technician is needed.

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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