Fault Codes & Status Displays - Gree Neo GWH09MA-A3DNA3A Installation, Service & Troubleshooting

Models GWH09MA -A3DNA2B & GWH12MA-A3DNA2B Table 1
Error Item
Stop for anti-freezing
protection of indoor
unit
Stop for exhaust
protection
Stop for low voltage
protection
Stop for communica-
tion malfunction
Stop for compressor
overload protection
Overload protection
Stop for IPM module
protection
DC motor (indoor
unit) does not operate
Indoor ambient
temperature sensor
malfunction
Indoor tube
temperature sensor
malfunction
Fault Displays
State of Outdoor Unit LEDs F
Indoor
Flashing Times
Unit
Green
Display
LED
E2
E4
E5
E6
H3
H4
H5
H6
F1
F2
Red Yellow
LED LED
blink 3 refrigerant leakage, indoor unit air
times
blink 7 less refrigerant, capillary blocked up,
times ambient temperature is abominable
blink 5 low, voltage, ambient temperature is
times
communication line failure, main
Always
PCB failure, interfere source, con-
On
blink 8 compressor shell over heat, less re-
times
blink 6 ambient temperature is abominable,
times
blink 4
IPM module over heat, low voltage
times
DC motor control terminal does not
contact well, Blade does not rotate
fluently due to incorrect installation;
motor or control panel is damaged
terminal connect not reliable, tem-
terminal connect not reliable, tem-
Possible Cause of Fault
flow blocked up, filter duty
abominable
nect line wrong
frigerant, capillary blocked up
heat exchanger blocked up
perature sensor malfunction
perature sensor malfunction
93