- 0405133761
- servicefirsthampton@gmail.com
- 5 Frank Ave Clayton South, Melbourne, Australia
Fujitsu Error Codes & Troubleshooting
Fujitsu Error Codes & Troubleshooting
Fujitsu air conditioners provide reliable comfort with advanced inverter technology and smart controls.
Error Code: Error 01
High pressure switch
Troubleshooting Steps:
High pressure protection activated. Check system pressures and airflow restrictions.
Error Code: Error 02
Low pressure switch
Troubleshooting Steps:
Low pressure protection activated. Check refrigerant levels and leaks.
Error Code: Error 03
Compressor overcurrent
Troubleshooting Steps:
Compressor drawing excessive current. Professional diagnosis required.
Error Code: Error 04
System malfunction
Troubleshooting Steps:
General system fault detected. Comprehensive professional diagnosis needed.
Error Code: Error 05
Outdoor temperature sensor
Troubleshooting Steps:
Outdoor temperature sensor malfunction. Check sensor and connections.
Error Code: Error 06
Indoor temperature sensor
Troubleshooting Steps:
Indoor temperature sensor error. Affects temperature control accuracy.
Error Code: Error 07
Communication error
Error Code: Error 08
Power supply error
Troubleshooting Steps:
Power supply voltage abnormality. Check electrical supply and connections.
Error Code: Error 09
Indoor coil temperature sensor
Troubleshooting Steps:
Indoor heat exchanger sensor malfunction. Check sensor and wiring.
Error Code: Error 10
Outdoor coil temperature sensor
Troubleshooting Steps:
Outdoor heat exchanger sensor error. Professional diagnosis required.
Error Code: Error 11
Discharge pipe temperature sensor
Error Code: Error 12
Liquid pipe temperature sensor
Error Code: Error 13
Suction pipe temperature sensor
Error Code: Error 14
Indoor fan motor error
Troubleshooting Steps:
Indoor fan motor malfunction. Check motor and remove obstructions.
Error Code: Error 15
Outdoor fan motor error
Troubleshooting Steps:
Outdoor fan motor fault. Check motor operation and obstructions.
Error Code: Error 16
Drain pump error
Troubleshooting Steps:
Drain pump malfunction. Check pump operation and drainage system.
Error Code: Error 17
Float switch activated
Error Code: Error 18
Inverter PCB error
Troubleshooting Steps:
Inverter control board malfunction. Professional replacement required.
Error Code: Error 19
Indoor PCB error
Troubleshooting Steps:
Indoor unit control board fault. Professional diagnosis needed.
Error Code: Error 20
Outdoor PCB error
Troubleshooting Steps:
Outdoor unit control board malfunction. Professional replacement required.
Error Code: Error 21
Compressor thermal protection
Troubleshooting Steps:
Compressor overheating protection activated. Check system operation.
Error Code: Error 22
Freeze protection
Troubleshooting Steps:
Indoor coil freeze protection. Check airflow and refrigerant levels.
Error Code: Error 23
EEV malfunction
Troubleshooting Steps:
Electronic expansion valve error. Professional diagnosis required.
Error Code: Error 24
4-way valve error
Troubleshooting Steps:
Reversing valve malfunction. Check valve operation in heat pump mode.
Error Code: Error 25
Current sensor error
Troubleshooting Steps:
Current sensing circuit malfunction. Check electrical connections.
Error Code: Error 26
Inverter overload
Troubleshooting Steps:
Inverter overload protection. Check electrical load and connections.
Error Code: Error 27
DC voltage error
Troubleshooting Steps:
DC bus voltage abnormality. Check power supply and inverter.
Error Code: Error 28
Phase current error
Troubleshooting Steps:
Phase current abnormality detected. Professional electrical diagnosis required.
Error Code: Error 29
Defrost sensor error
Error Code: Error 30
Remote controller error
Troubleshooting Steps:
Remote controller malfunction. Check batteries and replace controller if needed.
Error Code: Error 31
Filter sign
Error Code: Error 32
Refrigerant shortage
Troubleshooting Steps:
Low refrigerant detected. Check for leaks and recharge system.
Error Code: Error 33
Compressor locked rotor
Troubleshooting Steps:
Compressor motor locked. Immediate professional attention required.
Error Code: Error 34
Heat sink temperature error
Troubleshooting Steps:
Heat sink overheating. Check cooling and ventilation.
Error Code: Error 35
Oil return operation
Error Code: Error 36
Address setting error
Error Code: Error 37
Capacity mismatch
Troubleshooting Steps:
Indoor and outdoor unit capacity mismatch. Check system configuration.
Error Code: Error 38
Multiple indoor units error
Troubleshooting Steps:
Multi-unit system configuration error. Check unit connections and settings.
Error Code: Error 39
Power supply frequency error
Error Code: Error 40
Louver motor error
Troubleshooting Steps:
Air direction motor malfunction. Check motor and remove obstructions.
Still Having Issues with Your Fujitsu System?
Our certified technicians are experts in Fujitsu air conditioning systems. We provide professional diagnosis, repair, and maintenance services across Melbourne.
Available 24/7 for emergencies