Gree GUHD09NK3FO Service Manual page 91

U-Match Series DC
Inverter Service Manual
F5 Malfunction of Wired Controller Temperature Sensor
H6 Malfunction of Outdoor Fan Motor
control wire of outdoor fan motor is
connected on the outdoor
outdoor fan motor and then
restart the unit to see if there still
is malfunction of outdoor fan
88
Malfunction of
wired controller
temperature
Replace the
wired controller
Malfunction of
discharge
temperature
sensor
Check if the
mainboard correctly
Yes
Replace the
motor
Yes
Replace the
outdoor
mainboard
sensor
Correctly connect the
No
control wire of fan motor
on the mainboard
Operate the unit with
No
the new motor