Fujitsu Air Conditioning

When EE:EE appears on the display panel, press and hold both “Energy Save” and “Zone Control” buttons simultaneously for 3 seconds. After a moment, the error code will be shown on the screen.

Error Code Description
E0:00 Communication error – indoor unit to remote
E1:00 Communication error – indoor unit to outdoor unit
E2:00 Return air thermistor open circuit
E3:00 Return air thermistor short circuit
E4:00 Indoor coil thermistor open circuit
E5:00 Indoor coil thermistor short circuit
E6:00 Outdoor coil thermistor open circuit
E7:00 Outdoor coil thermistor short circuit
EA:00 Outdoor ambient thermistor open circuit
Eb:00 Outdoor ambient thermistor short circuit
Ec:00 Discharge pipe thermistor open circuit
Ed:00 Discharge pipe thermistor short circuit
EE:00 High pressure problem
EF:00 Discharge pipe temperature problem – too high (possible refrigerant shortage)

To return to normal operation mode, press and hold the “Energy Save” and “Zone Control” buttons again for 3 seconds.