Error Description - Gree GWHD14NK3BO Service Manual

Troubleshooting

1.3 Error Description

Errors of Commercial
Air Conditioners
Defrosting Mode 1
Defrosting Mode 2
Whole Unit Running Normally
(Liquid Valve) Inlet Tube
Temp Sensor Error
(Air Valve) Outlet Tube
Temp Sensor Error
/
Indoor Ambient Temp.
Sensor Short/Open-Circuit
Indoor Evaporator Temp
Sensor Short/Open-Circuit
Outdoor Ambient Temp
Sensor Error
Outdoor Mid-Coil
Temp Sensor Error
Outdoor Discharge Air
Temp Sensor Error
Oil Return for Cooling
High Pressure Protection
Shutdown for Whole Unit
Anti-Freeze Protection
Low Pressure Protection
High Discharge Temp Protection
Communication Error
Overload Protection
/
Indoor Unit Water Full Error
Trial Run
Refrigerant Recovery Mode
IPM Reset
Compressor Current Protection
Communication Error
between the Inverter Drive
and the Main Controller
Radiator Temp Sensor Error
Radiator Overheat Protection
AC Contactor Protection
Current Sensor Error
Sensor Connection Protection
74
Error & Status Display List
Indicating LED Flashing Times
Outdoor
Unit 88
Running LED
Display
08 /
0A /
ON /
See Table 2 /
See Table 2 /
F0 /
See Table 2 /
See Table 2 /
F3 /
F4 /
F5 /
F7 /
E1 Flash once
E2 Flash twice
E3 Flash 3 times
E4 Flash 4 times
See Table 2 Flash 6 times
See Table 2 Flash 7 times
E8 Flash 8 times
/
E9
/
dd Quick Flashing
Fo Quick Flashing
P0 Flash 3 times
P5 /
P6 Flash 16 times
P7 /
P8 /
P9 Flash 3 times
Pc Flash 3 times
Pd Flash 3 times
Heating
Cooling LED
LED
/ /
/ /
/ /
Flash 19 times /
Flash 22 times /
Flash 10 times /
Flash once /
Flash twice /
Flash 3 times /
Flash 4 times /
Flash 5 times /
/ /
/ /
/ /
/ /
/ /
/ /
/ /
/ /
/ /
Flashing Flashing
Quick Flashing Quick Flashing
Quick Flashing /
Flash 3 times Flash 3 times
/ Flash 15 times
/ /
/ Flash 18 times
/ Flash 19 times
Flash 3 times Flash 3 times
Flash 3 times Flash 3 times
Flash 3 times Flash 3 times
Indoor Unit
Wired
(Floor/
Controler
Ceiling) Outdoor
Display
88 Display Unit Error
/ / Outdoor
/ / Outdoor
/ / Outdoor
b5 B5 Outdoor
b7 B7 Outdoor
F0 F0 Outdoor
F1 F1
F2 F2
F3 F3 Outdoor
F4 F4 Outdoor
F5 F5 Outdoor
/ / Outdoor
E1 E1 Outdoor
E2 E2
E3 E3 Outdoor
E4 E4 Outdoor
Outdoor
E6 E6
& Indoor
E7 E7
E8 E8 Outdoor
/ /
E9 E9
dd dd Outdoor
Fo Fo Outdoor
P0 P0 Outdoor
P5 P5 Outdoor
P6 P6 Outdoor
P7 P7 Outdoor
P8 P8 Outdoor
P9 P9 Outdoor
Pc Pc Outdoor
Pd Pd Outdoor
of
Indoor
and/or
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor