Gree GWHD(18)NK3FO - Page 66

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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 / F3 F3 Outdoor
Outdoor Mid-Coil Temp
Sensor Error
F4 / Flash 4 times / F4 F4 Outdoor
Outdoor Discharge Air
Temp Sensor Error
F5 / Flash 5 times / F5 F5 Outdoor
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 once H1
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 / / / Ld Ld Drive Error
Compressor Stalling LE / / / LE LE Drive Error
Over-Speed LF / / / LF LF Drive Error
IPM Reset P0 / / / P0 P0 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 / / P6 P6 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
AC Contactor
Protection
P9 / / / P9 P9 Drive Error
Sensor Connection
Protection
Pd / / / Pd Pd Drive Error
Low Voltage Protection PL / / Flash 21 times PL PL Drive Error
Table 4