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J6

J6 - Failed outdoor coil sensor

Daikin · Air Conditioning

What does J6 mean?

The sensor measuring the temperature of the outdoor coil has an open or short circuit.

Common Causes

  • Outdoor coil sensor open or short circuit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check that the outdoor coil sensor is firmly connected.

  2. 2

    Examine the sensor and its wiring for any signs of damage.

  3. 3

    If the sensor or wiring is faulty, it requires replacement by a qualified technician.

Browse all codes in this manual (79)
Verified technical data. Last updated: April 2026

Related Faults

A0A0 - External protection activeA1A1 - Indoor PCB failureA2A2 - Malfunction of freezing protection
Source: Daikin Air Conditioning
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