Fujitsu AC Hardwired RC System Error Codes
E0:00 Coms error – indoor to remote
E1:00 Coms error – indoor to outdoor
E2:00 Return air thermistor open circuit
E3:00 Return air thermistor short circuit
E4:00 Indoor coil thermistor open
E5:00 Indoor coil thermistor shorted
E6:00 Outdoor coil thermistor open
E7:00 Outdoor coil thermistor shorted
EA:00 Outdoor ambient thermistor open
Eb:00 Outdoor ambient thermistor shorted
Ec:00 Discharge pipe themistor open
Ed:00 Discharge pipe thermistor shorted
EE:00 High Pressure problem
EF:00 Discharge pipe temp. Problem – too high = short of gas
Press “Energy Save” & “Zone Control” buttons simultaneously for longer than 3 secs to return to normal operating mode.