See also: Fujitsu Air Conditioners Service Manuals PDF
The products of the Japanese Fujitsu Corporation are known worldwide for their innovativeness, manufacturability and reliability. The intelligent diagnostic system allows you to accurately determine errors and malfunctions in the operation of the air conditioner.
Indication of error codes of air conditioners Fujitsu is displayed both using codes on the remote control panel of the split system, and in the form of flashing LED indicators on the indoor unit of the air conditioner.
LED Indication Errors
Error codes of Fujitsu air conditioners, displayed using the color display of the indoor unit.
|
Fujitsu Air Conditioner Error Codes |
Red diode (number of flashes) |
Green diode (number of flashes) |
|
No communication between indoor and outdoor modules |
- |
2 |
|
Failure to connect the wiring to the outdoor fan |
- |
3 |
|
Temperature sensor not connected |
- |
4 |
|
Disrupted power |
- |
5 |
|
No connection between indoor unit and remote control |
- |
8 |
|
Short circuit on the external temperature sensor |
2 |
2 |
|
Short circuit on the humidity sensor inside the device |
5 |
3 |
|
Mains resistance in the sensor area |
3 |
2 |
|
No condensate drain, clogged tube |
3 |
3 |
|
The temperature sensor function is impaired (moisture, dust or dirt has entered) |
3 |
4 |
|
The compressor is disabled by the sensor due to a threshold temperature. Check current supply |
3 |
8 |
|
Short circuit wiring, air conditioning turned off automatically |
4 |
2 |
|
The function of the main relay is broken |
4 |
3 |
|
Disrupted electrical current. In case of such an error, the Fujitsu air conditioner should remove the batteries from the remote control, turn off the power to the indoor and outdoor units, leave it for at least five minutes and try to turn it on. |
4 |
4 |
|
Overvoltage protection turned on |
4 |
7 |
|
No mains power, possibly a power outlet |
4 |
8 |
|
Low voltage in the mains |
5 |
2 |
|
Low voltage in the mains |
5 |
3 |
|
Automatic compressor shutdown in case of overheating |
5 |
5 |
|
No power to the outdoor fan |
5 |
6 |
|
Fan short circuit |
6 |
2 |
|
The indoor fan rotates slowly. Possible reason: lack of lubrication, broken motor bearing, motor itself is broken, fan is clogged |
6 |
3 |
|
Refrigerant shortage causing an increase in discharge temperature |
7 |
2 |
|
Extremely high refrigerant pressure, unit overheated. With such an error, the Fujitsu air conditioner should check the copper tubes, they may be kinked |
7 |
3 |
|
Pressure sensor broken |
7 |
5 |
|
Air conditioner filters clogged |
8 |
2 |
|
Not clogged filters for the first time |
8 |
3 |
|
Damage to the reversing valve of the air conditioner. Clean or change to a new one |
8 |
4 |
Remote Control Error Codes
Fujitsu Air Conditioner: DTCs, System Error Control, or System Controller Error.
When EE error indication: EE is displayed on the remote control, press “power save” and “mode change button” simultaneously hold down the buttons for more than 3 seconds.
Error codes will be shown on the display.
- Stop the air conditioner.
- Press the Control Wizard button and Repair Fujitsu (Fujitsu) - the fan control button at the same time for 2 seconds or more to start a test run
- Press the start / stop button to stop the test run.
When E is an error indication: E. E. is displayed, follow the steps below to perform a self-test.
E: EE indicates an error.
1. Remote control display
- Stop the air conditioner.
- Press temperature setting buttons for 5 seconds or more to start self-diagnosis of Fujitsu air conditioner.
- Refer to the following table for a description of each Fujitsu error code.
- Press the temperature setting buttons for 5 seconds or more to stop the self-test.
Error codes for air conditioners Fujitsu, which are displayed on the remote control display
|
Fujitsu Air Conditioner Error Codes |
Decoding of the error code of the Fujitsu air conditioner |
|
00 |
There is no connection between the remote control and the outdoor unit |
|
01 |
There is no communication between the indoor unit and the outdoor unit |
|
02 |
The temperature sensor inside the room is broken |
|
03 |
Short circuit of the temperature sensor inside the room |
|
04 |
The function of the temperature sensor of the external heat exchanger is impaired |
|
05 |
Short circuit on the temperature sensor of the internal heat exchanger |
|
06 |
Heat exchanger temperature sensor malfunction |
|
08 |
Disrupted power |
|
09 |
Float switch works |
|
0A |
Outside temperature sensor failure |
|
0b |
Short circuit outdoor temperature sensor |
|
0c |
Fujitsu temperature sensor tube open |
|
0d |
Short circuit in the temperature sensor tube |
|
0E |
High pressure opening failure |
|
0F |
Crash in temperature tube |
|
11 |
Error in the air conditioner |
|
12 |
Indoor Fan Malfunction |
|
13 |
There is no signal from the air conditioner |
|
14 |
No signal from room sensor |
FUJITSU ASYG14LMCE