Fujitsu AC error codes. When error codes appear on your Fujitsu Air Conditioner this tells the you there is a problem. Knowing the error code definition will help you to understand the present fault. You can then troubleshoot the issue or call a technician.
NOTE: There are also general troubleshooting charts below to assist you in fixing your Fujitsu AC and a PDF Service Manual file for most current Fujitsu Air Conditioners (See model numbers that apply to the error codes at the bottom of this page).
Fujitsu Air Conditioning AC Error Codes And Troubleshooting
Fujitsu AC Indoor Unit – WIRED Remote Model Error Codes
Covers the current Inverter product range.
They also cover the ARY60U, ARY54U Single and AOY19/24F/U Multi System
Code Consists of Indoor Unit Address Followed by the Fault Code Below.
No E denotes No Fault.
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = OO
Error Code Definition = ID to RC Comms Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O1
Error Code Definition = ID to OD Comms Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O2
Error Code Definition = ID Air Sensor Open
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O3
Error Code Definition = ID Air Sensor Close
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O4
Error Code Definition = ID Pipe Sensor Open
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O5
Error Code Definition = ID Pipe Sensor Close
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O6
Error Code Definition = OD Pipe Sensor Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O8
Error Code Definition = Power Source Connection Failure
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = O9
Error Code Definition = Drain Problem Float switch operated
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = OA
Error Code Definition = OD Air Sensor Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = OC
Error Code Definition = Discharge sensor Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = OE
Error Code Definition = Outdoor High Pressure Heatsink error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 11
Error Code Definition = OD PCB Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 12
Error Code Definition = ID Fan Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 13
Error Code Definition = OD Signal Abnormal ID signal error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 14
Error Code Definition = OD EEPROM Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 15
Error Code Definition = Compressor Temp Failure
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 16
Error Code Definition = Pressure Switch Error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 17
Error Code Definition = IPM Error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 18
Error Code Definition = CT Error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 19
Error Code Definition = Active Filter Module Error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 1A
Error Code Definition = Compressor Failure
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 1B
Error Code Definition = OD Fan Failure
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 1C
Error Code Definition = Inverter to PCB Comms Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 1D
Error Code Definition = 2 Way Valve sensor Fail
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 1E
Error Code Definition = Expansion Valve Error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 1F
Error Code Definition = Connection ID Unit Error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 20
Error Code Definition = Indoor manual switch abnormal
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 24
Error Code Definition = Excessive high pressure protection on cooling
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 25
Error Code Definition = PFC circuit error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 26
Error Code Definition = Indoor signal error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 27
Error Code Definition = Indoor signal error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 28
Error Code Definition = Indoor heat exchanger temperature error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 29
Error Code Definition = Outdoor heat exchanger temperature (middle) error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 2A
Error Code Definition = Power supply frequency detection error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 2B
Error Code Definition = Compressor temperature error
Fujitsu AC Indoor Unit/Wired Remote Model Error Code = 2C
Error Code Definition = Four-way valve abnormal
Fujitsu WIRED AC indoor error codes
Fujitsu AC WIRED Remote Control Models – Troubleshooting Indoor Unit
E:EE Is Displayed
When E:EE is displayed switch unit off and press the temp up and temp down buttons simultaneously for 3 seconds.
To Return to Normal Operation
Press Temp Up and Temp Down Buttons together for 3 seconds.
To Initiate Test Operation
Switch Unit Off & Press Master & Fan Buttons together for 3 seconds.
Press Start/Stop to Initiate.
Changing the Sensor Position
The unit can sense the air temperature at the unit or controller
Turn Unit Off
To change press THERMOSENSOR button for 5 seconds to unlock
Toggle the THERMOSENSOR button & controller is displayed
Set to desired setting (unit or controller)
Press THERMOSENSOR button for 5 seconds to lock
Two Handsets/1 Unit – set on RC DIP SWs
Single handset DIP SW1 is On & 2 is Off
Dual Handset Master Both On & Slave both Off
Group Control up to 16 Unit from 1 RC Handset
Set DIP SW3 on RC to ON
Set Each ID Unit Rotary SW to Unit Address (0-15) in series
Auto Restart on Power Failure
DIP SW2-3 on ID Unit
Off is auto restart (std)/On is Manual Restart
Auto Changeover
DIP SW5 on RC
On is auto changeover (std)/Off is Manual
Memory Retention on Power Failure
Dip SW6 on RC
On is Memory/Off is no memory
NOTE: If you have flashing red, green, or yellow LEDs or lights on your Fujitsu AC unit, please see the Fujitsu AC PDF troubleshooting chart here.
Fujitsu WIRELESS AC indoor error codes
Fujitsu AC Wall Mounted Troubleshooting
Fujitsu AC Outdoor PCB Fault Codes
These pages cover the current Inverter product range. They also cover the ARY60U, ARY54U Single and AOY19/24F/U Multi Systems. Wall Mounted Single Systems ASY, ASYA & ASYB Includes AWYZ Nokria Models. All Other Wireless Indoor Units AUY, ABY & AWY Models. Including Multi Systems (Not J Series or VRF).
Need help? Please leave your question below. We can assist with all AC error codes.
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I keep getting a 51.6 error code on my Fujitsu heat pump when in the a/c mode. Can you help in solving this problem
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I Have a Fujitsu AC system with an error code.
R.C. address:00
Code Error 98.3
Flashing red light
I am house sitting.
Know nothing about the system.
We have a Fujitsu duct type air con. The main unit is outside and the model is AOT36RC(3) It is 21 years old but has been seldom used.
The clock started flashing what looks like 2E:EE. The air conditioner worked for a couple of times after this and then stopped working altogether. Pressing the self test buttons and it flashes 20:00. Checked the fuse box and nothing tripped out.
Any suggestions?
I have a general duct type split AC.
I have a problem, put on the wired thermostat fan and 2 or 3 minutes it is working then after an error code came up EE:EE and stopped the fan motor.
Any suggestions?
I had my Fujitsu cassette aircon cleaned recently and since them aircon doesn’t work properly. It doesn’t get cool like it used to.
Can I do a reset?
Fujitsu Halcyon, air conditioner Compact wall-mounted type, Inverter 15 RLS2
The problem is; Indoor unit.
Operational indoor lamp, (green) Flashes 10 times, Timer indicator light, orange) flashes 1, once then goes out, while the Economy green light, flashes continually during that stage.
Then it repeats the above first stage, 2 Nd stage, 10 flashes on the Operational indoor lamp, the Timer indicator light, (orange) once,(1), with the Economy, green light, flashes continually.
The Wired Remote Control, in the error detection sheet, states, A1.
Description,= Discharge temp. error. Any assistance will be greatly appreciated.
Fujiaire AC chiller outdoor red light flashing 6 times.
Fujiaire AC model number f3mc20ca-e31n.