94
Fault Displays
Models GWH09MA -A3DNA2B & GWH12MA-A3DNA2B Table 1
Error Item
Indoor
Unit
Display
State of Outdoor Unit LEDs F
Flashing Times
Possible Cause of Fault
Green
LED
Red
LED
Yellow
LED
Outdoor ambient
temperature sensor
malfunction
F3
blink 6
times
terminal connect not reliable, tem-
perature sensor malfunction
Outdoor tube
temperature sensor
malfunction
F4
blink 5
times
terminal connect not reliable, tem-
perature sensor malfunction
Outdoor exhaust
temperature sensor
malfunction
F5
blink 7
times
terminal connect not reliable,
temperature sensor malfunc-
tion
Automatic defrosting
H1
blink 2
times
H1 is not error code, it is normal
operation, just heat pump has this
function
REMARK:
1. Error codes only can be seen in the type which has the temperature display PCB,
maybe some type has not this function, the lamps on the outdoor PCB are available; 2.
Normally, the communication between indoor unit and outdoor unit is successful, the
gree lamp.