Daikin
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Simple Self-Diagnosis by Malfunction Code After Sales Service Division (SM-TS3)
CJ · Room temperature thermistor in · remote controller abnormality · Defective room temperature thermistor in remote controller · Defective remote controller PCB · External factor (Noise etc.) k k k k · k · Malfunction · code · Malfunction Contents ·
Facebook
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What is the solution to a Daikin air conditioner CJ remote ...
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Daikin Sky Air VRV Mystery
https://www.airintelligence.com/daikinone/ErrorCodes-P1P2.htm Error codes. Have your tech call Daikin. Youre getting code A6 through A20? So 14 codes??? More on reddit.com
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February 10, 2025UH and A5 error code daikin minisplits
How many condenses do you have? Is one a multi head? Does the fault occur when all the heads from the multi head are turned on or only when one is turned off? If one is running, does the other heads coil get cold while off? No? Turn the on and the other off If possible send a pic of the piping coming out of the condenser More on reddit.com
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June 24, 2023Daikin AJ fault
When you get an aftermarket indoor unit PCB you need to get a capacity plug to set the capacity. The factory boards do not have them, so call back wherever you got the board and ask for the appropriate capacity plug.
Also, http://mobile.drdaikin.com
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October 5, 2019Daikin mini split issue
Left a message with tech support. Hopefully I’ll get a call back soon. More on reddit.com
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July 20, 2021Videos
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how to fix daikin air conditioner error code CJ? - YouTube
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#DAIKIN ERROR CODES JC / HOW TO SOLVE VRV3 ERROR CODE JC / ...
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How to Retrieve Daikin Fault codes with an infrared controller. ...
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How to fault find a Daikin air conditioner, troubleshoot split ...
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Solution for the Daikin All types Ac ERROR CODE || ERROR CODE meaning ...
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how to solve daikin air conditioner error code AJ? - YouTube
Star-supply
star-supply.com › content › Daikin-Troubleshooting Codes.pdf pdf
Trouble Shooting www.climatecenter.co.uk Daikin Trouble Shooting Guide
CJ · Failure of remote sensor · Defect of remote controller sensor · • · • · Daikin Fault Codes · Outdoor Fault Codes · Fault Code · Definition · Supposed Causes · Split · Skyair · VRV · Package · E0 · Protection devices tripped · Outdoor safety device tripped ·
Reddit
reddit.com › r/heatpumps › daikin sky air vrv mystery
r/heatpumps on Reddit: Daikin Sky Air VRV Mystery
February 10, 2025 -
I had 2 SkyAir systems installed last year that use the RZQ outdoor units paired with FTQ indoor air handlers. The systems worked amazingly at first & were super energy efficient. But the smaller unit now errors every few hours with a A6-20, CJ, or C4 error code. The larger system also errors once in a blue with same codes. My HVAC tech is stumped & even tried replacing the entire smaller system, but same issue. He did notice a very small amount of refrigerant disappears each trip. Anybody experience anything of the sort or have any idea what might be happening???
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https://www.airintelligence.com/daikinone/ErrorCodes-P1P2.htm Error codes. Have your tech call Daikin. Youre getting code A6 through A20? So 14 codes???
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After two years my units were replaced because was failing since day one. Now started getting same pressure issues with new unit. I think is better to keep just an electrical heater that would save me $10k
CoolAutomation
coolautomation.com › blog › daikin error codes: comprehensive breakdown
Daikin Error Codes: Comprehensive Breakdown
July 20, 2025 - Easily identify Daikin HVAC system faults with this complete list for simple self-diagnosis & troubleshooting. Includes VRV, SkyAir, HRV systems, and more.
Daikin
daikin.com › products › ac › services › error_codes
Error Codes | After Sales Service | Air Conditioning and Refrigeration | Daikin Global
Error Code Search offers information on the cause of the malfunction and the status of your air conditioner by entering the error code. Error Code Search List of Error Codes(0.1MB) Please refer to "How to Check Error Codes" for step-by-step instruction to check the error codes.
Airway Group
airway-group.co.uk › home › help & advice › daikin air conditioning fault codes explained [infographic]
Daikin Air Conditioning Fault Codes Explained [Infographic] | Airway
April 2, 2026 - CJ – Abnormal remote controller thermistor resistance – The built in remote has encountered a fault.
Airconditioningmackay
airconditioningmackay.com.au › home › daikin air conditioner error codes
Daikin Air Conditioner Error Codes and Troubleshooting Faults
January 22, 2026 - The list below features all the malfunction error codes for Daikin air conditioners and their potential causes.
Coolingservicemelbourne
coolingservicemelbourne.com.au › home › services
Daikin Error Codes & Troubleshooting Guide | Air Conditioning Melbourne | Cooling Service Melbourne - Licensed AC Technicians
Complete Daikin air conditioning error codes database. Find solutions for Daikin AC problems, fault codes, and troubleshooting steps. Professional help available 24/7 at 0405 133 761 if needed.
Perthaircon
perthaircon.com.au › home › daikin error and fault codes
Daikin Error and Fault Codes – Daikin Air Conditioning Perth by Airpro Air Conditioning
How to identify what is required with your Daikin Aircon via the self diagnosis error code.
ACLogics
aclogics.com › home › hvac error codes › daikin error codes › error code cj
Daikin Error Code CJ — Defective room temperature thermistor in | Fix Guide
How to fix Daikin Fan Coil error code CJ. Diagnosis: Room temperature thermistor in remote controller abnormality. Causes: Defective room temperature thermistor in remote controller Defective remote controller PCB External factor (Noise etc.).
O&Kmarts
okmarts.com › news › common-daikin-ac-error-code-lists.html
Common DAIKIN AC Error Code Lists
DAIKIN air conditioner/air conditioning system malfunction codes consist of one letter or number plus one number or letter. The letters include A, C, E, H, F, J, L, P, U, and M, and the numbers include 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. These codes are divided into indoor unit related, outdoor unit related, system related codes and others.
Alliance CC
alliancecc.com.au › daikin-air-conditioning-repairs
The Ultimate Daikin Air Conditioner Guide: Troubleshooting & Repairs
July 1, 2018 - Resolve common AC issues, understand error codes, and access the Daikin manual for detailed information in this troubleshooting guide.
Glow HCE
glowhce.com.au › home › daikin error and fault codes – indoor unit
Daikin Fault Codes | Air Conditioning Indoor Unit | Error Codes
October 13, 2023 - Daikin Indoor Unit fault codes - self-diagnosis by malfunction codes. Is your Daikin air conditioner system displaying an error code starting with A or C?
Daikin-ksa
daikin-ksa.com › content › dam › DameaWebsite › ProductGroups › Concealed-Ceiling › FDMRN-AVAK › FDMRN-AVAK--RR-AVAK9 › FBQ-EAVAK, RZQ-LCVAK, RZQ-MUYLK Service Manual.pdf pdf
Service Manual RZQ Series Heat Pump R410A 60Hz RZQ20 / 24 / 36 / 45LVA
4.14 Combination Error between Indoor Unit PCB and Fan PCB................104
GetQuickAir
getquickair.com.au › brands › daikin › common-ac-error-codes
Common Error Code on Daikin Air Conditioning Unit | QuickAir
January 2, 2025 - The CJ error code on a Daikin air conditioning unit indicates an abnormality in the room temperature thermistor located in the remote controller.
YouTube
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DAIKIN VRV 3 CJ ERROR CODE - YouTube
🚀 Mr. Ram – VRV & VRF Coach | World's Most Advanced AC Technology TrainingWelcome technicians!If you want to learn VRV / VRF system, advance AC technology, ...
Published August 14, 2021
ServiceMy
servicemy.co.uk › home › heat pump advice › daikin heat pumps
Daikin Heat Pumps: manuals, user guides and error codes
March 31, 2026 - Our guide library includes downloadable manuals, setup instructions, troubleshooting advice and clear explanations of common error codes. If your Daikin heat pump is showing a fault code, not heating properly, or you simply want to understand how to operate it more efficiently, our guides are designed to help you identify the issue and keep your system running smoothly.
Mypros
mypros.plus › home › error codes › daikin › heat pump › cj
Daikin CJ Error Code: Remote controller thermistor abnormality – remote controller thermistor... | MyPros+
Daikin heat pump error code CJ: Remote controller thermistor abnormality – remote controller thermistor disconnected or shorted while unit is running.. Diagnose the root cause with service manual references.