CodeRegistry
Brands
  1. Home
  2. Daikin
  3. Air Conditioning
  4. CJ
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

CJ

CJ - Remote sensor failure

Daikin · Air Conditioning

What does CJ mean?

The sensor connected to the remote controller has a defect.

Common Causes

  • Defect of the remote controller sensor.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the remote sensor is properly connected to the indoor unit.

  2. 2

    Check the wiring between the remote sensor and the unit for damage.

  3. 3

    If the sensor or its wiring is faulty, it requires professional replacement.

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
Open Manual (Page 1)Search more codes in this manual