r.
Error Item
Outdoor
Unit 88
Display
Indicating LED Flashing Times
88
Display
Wired
Controler
Display
Error Type
Running
LED
Cooling
LED
Heating
LED
High Pressure
Protection
E1 Flash once/ /E1E1Outdoor
Shutdown for Whole
Unit Anti-Freeze
Protection
E2 Flash twice/ /E2E2
System
Error
Low Pressure
Protection
E3 Flash 3 times //E3 E3 Outdoor
High Discharge Temp
Protection
E4 Flash 4 times //E4 E4 Outdoor
Communication ErrorE6Flash 6 times //E6 E6
Outdoor &
Indoor
Indoor Unit Water Full
Error
E9 Flash 9 times //E9 E9 Indoor
Refrigerant Recovery
Mode
Fo
Quick
Flashing
Quick
Flashing
/FoFo
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 /////
Special
Mode
Forced DefrostingH1
Quick
Flashing
//H1 H1
Special
Mode
Oil Return for Heating
or Defrosting
H1 //Flash onceH1
Special
Mode
Compressor Overheat
Protection
H3 //Flash 3 timesH3H3 Drive Error
IPM ProtectionH5/ /Flash 5 timesH5H5 Drive Error
Motor
Desynchronizing
H7 //Flash 7 timesH7H7 Drive Error
PFC Error Hc //Flash 6 timesHcHc Drive Error
Startup FailureLc/ /Flash 11 times Lc Lc Drive Error
DC Fan motor ErrorLA /////Outdoor
No indoor fan motorH6 Flash 11 times/ ///Indoor
Compressor phase
circuit detection error
U1 //Flash 12 times //Outdoor
DC link voltage drop
error
U3 //Flash 20 times //Outdoor
Zero detection circuit
error
U8 Flash 17 times ////Outdoor
Phase Loss Ld Flash 3 times Flash 3 times Flash 3 timesLdLd Drive Error
Compressor StallingLEFlash 3 times Flash 3 times Flash 3 timesLELE Drive Error
Over-Speed LF Flash 3 times Flash 3 times Flash 3 timesLFLF Drive Error
IPM ResetP0Flash 3 times Flash 3 times Flash 3 timesP0P0 Drive Error
Compressor Current
Protection
P5 //Flash 15 times P5 P5 Drive Error
Communication Error
between the Inverter
Drive and the Main
Controller
P6 Flash 16 times/ /P6P6 Drive Error
Radiator Temp Sensor
Error
P7 //Flash 18 times P7 P7 Drive Error
Radiator Overheat
Protection
P8 //
Flash 19
times
P8 P8 Drive Error