Gree GWHD24NK3FO Service Manual page 67

Service Manual
AC Contactor
Protection
Current Sensor Error
Sensor Connection
Protection
Over Voltage
Protection
Low Voltage
Protection
Temp Drift Protection
Drive Board Ambient
Temp Sensor Error
AC Current Protection
Charging Circuit Error
AC Input Voltage
Anomaly
Unit communication
error
Unit n indoor pipe
midway temperature
sensor error
Indoor Evaporator
Temp Sensor Short/
Open-Circuit
(Air Valve) Unit n
indoor unit pipe outlet
temperature sensor
error
(Liquid Valve) Unit
n indoor pipe inlet
temperature
sensor error
Unit n mode
The error codes for wall mounted type unit are shown in the following tableb):
Error Item
High Pressure
Protection
Shutdown for Whole
Unit Anti-Freeze
Protection
Low Pressure
Protection
Installation and Maintenance
P9 Flash 3 times Flash 3 times Flash 3 times
Pc /
Pd Flash 3 times Flash 3 times Flash 3 times
PH / Flash 11 times
PL /
PE Flash 3 times Flash 3 times Flash 3 times
PF Flash 3 times Flash 3 times Flash 3 times
PA Flash 5 times
PU /
PP Flash 3 times Flash 3 times Flash 3 times
See
Flash 6 times
Table 16
See
/
Table 16
See
/
Table 16
See
/ Flash 22 times
Table 16
See
/ Flash 19 times
Table 16
See
/
Table 16
See
Flash 7 times
Table 16
Indicating LED Flashing Times
Outdoor
Unit 88
Running
Display
LED
E1 Flash once
E2 Flash twice
E3 Flash 3 times
Flash 12
/
times
/
/ Flash 21 times
/ /
/ Flash 17 times
/ /
Flash twice /
Flash twice /
/
/
Flash once /
/ /
Cooling Heating
LED LED
/ /
/ /
/ /
P9 P9 Drive Error
U1 Drive Error
Pd Pd Drive Error
PH PH Drive Error
PL PL Drive Error
PE PE Drive Error
PF PF Drive Error
E5 E5 Drive Error
PU PU Drive Error
PP PP Drive Error
E6 E6 Indoor
E2 E2 Indoor
F2 F2 Indoor
b7 b7 Indoor
b5 b5 Indoor
F1 F1 Indoor
E7 E7 Indoor
Wired
88
Controler Error Type
Display
Display
E1 E1 Outdoor
System
E2 E2
Error
E3 E3 Outdoor
65