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Installation and Maintenance
Service Manual
High Discharge Temp
Protection
E4 Flash 4 times //E4 E4 Outdoor
Communication Error E6 Flash 6 times //E6 E6
Outdoor &
Indoor
Indoor Unit Water Full
Error
E9 Flash 9 times //E9 E9 Indoor
Refrigerant Recovery
Mode
Fo Flash once Flash once/ Fo Fo
Special
Mode
Outdoor Ambient Temp
Sensor Error
F3 / Flash 3 times /F3F3Outdoor
Outdoor Mid-Coil Temp
Sensor Error
F4 / Flash 4 times /F4F4Outdoor
Outdoor Discharge Air
Temp Sensor Error
F5 / Flash 5 times /F5F5Outdoor
Oil Return for Cooling F7 / Flash 7 times ///
Special
Mode
Forced Defrosting H1 Quick Flashing //H1 H1
Special
Mode
Oil Return for Heating
or Defrosting
H1 //Flash onceH1
Special
Mode
Compressor Overheat
Protection
H3 //Flash 3 times H3 H3 Drive Error
IPM Protection H5 //Flash 5 times H5 H5 Drive Error
Motor Desynchronizing H7 //Flash 7 times H7 H7 Drive Error
PFC Error Hc //Flash 6 times Hc Hc Drive Error
Startup Failure Lc //Flash 11 times Lc Lc Drive Error
DC Fan motor Error LA Flash 24 times //LA LA Outdoor
Phase Loss Ld ///LdLd Drive Error
Compressor Stalling LE ///LELEDrive Error
Over-Speed LF ///LFLFDrive Error
IPM Reset P0 ///P0P0Drive Error
Compressor Current
Protection
P5 //Flash 15 timesP5P5Drive Error
Communication Error
between the Inverter
Drive and the Main
Controller
P6 Flash 16 times //P6 P6 Drive Error
Radiator Temp Sensor
Error
P7 //Flash 18 timesP7P7Drive Error
Radiator Overheat
Protection
P8 //Flash 19 timesP8P8Drive Error
AC Contactor
Protection
P9 ///P9P9Drive Error
Sensor Connection
Protection
Pd ///PdPdDrive Error
Low Voltage Protection PL //Flash 21 timesPLPLDrive Error