Gree GWHD24NK3FO Service Manual page 66

1.3 Error Description
If some error occurs when the unit is running, the error code will be displayed on the wired controller and the main board
the outdoor unit.See the table before for more details about the meaning of each error.
Error Item
High Pressure
Protection
Shutdown for Whole
Unit Anti-Freeze
Protection
Low Pressure
Protection
High Discharge Temp
Protection
Communication Error
Indoor Unit Water Full
Error
Refrigerant Recovery
Mode
Outdoor Ambient
Temp Sensor Error
Outdoor Mid-Coil
Temp Sensor Error
Outdoor Discharge Air
Temp Sensor Error
Oil Return for Cooling
Forced Defrosting
Oil Return for Heating
or Defrosting
Compressor Overheat
Protection
IPM Protection
Motor
Desynchronizing
PFC Error
Startup Failure
DC Fan motor Error
No indoor fan motor
Compressor phase
circuit detection error
DC link voltage drop
error
Zero detection circuit
error
Phase Loss
Compressor Stalling
Over-Speed
IPM Reset
Compressor Current
Protection
Communication Error
between the Inverter
Drive and the Main
Controller
Radiator Temp Sensor
Error
Radiator Overheat
Protection
64
Indicating LED Flashing Times
Outdoor
Unit 88
Running
Display
LED
E1 Flash once
E2 Flash twice
E3 Flash 3 times
E4 Flash 4 times
E6 Flash 6 times
E9 Flash 9 times
Quick
Fo
Flashing
F3 / Flash 3 times
F4 / Flash 4 times
F5 / Flash 5 times
F7 /
Quick
H1
Flashing
H1 /
H3 /
H5 /
H7 /
Hc /
Lc /
LA /
H6 Flash 11 times
U1 /
U3 /
U8 Flash 17 times
Ld Flash 3 times Flash 3 times Flash 3 times
LE Flash 3 times Flash 3 times Flash 3 times
LF Flash 3 times Flash 3 times Flash 3 times
P0 Flash 3 times Flash 3 times Flash 3 times
P5 /
P6 Flash 16 times
P7 /
P8 /
Cooling Heating
LED LED
/ /
/ /
/ /
/ /
/ /
/ /
Quick
/
Flashing
/
/
/
/ /
/ /
/ Flash once
/ Flash 3 times
/ Flash 5 times
/ Flash 7 times
/ Flash 6 times
/ Flash 11 times
/ /
/ /
/ Flash 12 times
/ Flash 20 times
/ /
/ Flash 15 times
/ /
/ Flash 18 times
Flash 19
/
times
Wired
88 Controler Error Type
Display Display
E1 E1 Outdoor
System
E2 E2
Error
E3 E3 Outdoor
E4 E4 Outdoor
Outdoor &
E6 E6
Indoor
E9 E9 Indoor
Special
Fo Fo
Mode
F3 F3 Outdoor
F4 F4 Outdoor
F5 F5 Outdoor
Special
/ /
Mode
Special
H1 H1
Mode
Special
H1
Mode
H3 H3 Drive Error
H5 H5 Drive Error
H7 H7 Drive Error
Hc Hc Drive Error
Lc Lc Drive Error
/ / Outdoor
/ / Indoor
/ / Outdoor
/ / Outdoor
/ / Outdoor
Ld Ld Drive Error
LE LE Drive Error
LF LF Drive Error
P0 P0 Drive Error
P5 P5 Drive Error
P6 P6 Drive Error
P7 P7 Drive Error
P8 P8 Drive Error
Installation and Maintenance
Service Manual
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