Gree GWHD24NK3FO - Page 67

65
Installation and Maintenance
Service Manual
AC Contactor
Protection
P9 Flash 3 times Flash 3 times Flash 3 timesP9P9 Drive Error
Current Sensor ErrorPc/ /
Flash 12
times
U1 Drive Error
Sensor Connection
Protection
Pd Flash 3 times Flash 3 times Flash 3 timesPdPd Drive Error
Over Voltage
Protection
PH /Flash 11 times/ PH PH Drive Error
Low Voltage
Protection
PL //Flash 21 times PL PL Drive Error
Temp Drift ProtectionPEFlash 3 times Flash 3 times Flash 3 timesPEPE Drive Error
Drive Board Ambient
Temp Sensor Error
PF Flash 3 times Flash 3 times Flash 3 timesPFPF Drive Error
AC Current Protection
PA Flash 5 times //E5 E5 Drive Error
Charging Circuit ErrorPU/ /Flash 17 times PU PU Drive Error
AC Input Voltage
Anomaly
PP Flash 3 times Flash 3 times Flash 3 timesPPPP Drive Error
Unit communication
error
See
Table 16
Flash 6 times //E6 E6 Indoor
Unit n indoor pipe
midway temperature
sensor error
See
Table 16
/Flash twice/ E2 E2 Indoor
Indoor Evaporator
Temp Sensor Short/
Open-Circuit
See
Table 16
/Flash twice/ F2 F2 Indoor
(Air Valve) Unit n
indoor unit pipe outlet
temperature sensor
error
See
Table 16
/Flash 22 times /b7b7Indoor
(Liquid Valve) Unit
n indoor pipe inlet
temperature
sensor error
See
Table 16
/Flash 19 times /b5b5Indoor
Unit n mode
See
Table 16
/Flash once /F1F1Indoor
See
Table 16
Flash 7 times //E7 E7 Indoor
The error codes for wall mounted type unit are shown in the following tableb):
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 //E1 E1 Outdoor
Shutdown for Whole
Unit Anti-Freeze
Protection
E2 Flash twice //E2 E2
System
Error
Low Pressure
Protection
E3 Flash 3 times //E3 E3 Outdoor