Gree GMV-400WM/B-X - Page 148

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
145
does not
work in
the
heating
mode.
board is
loose.
6.1.2
The
electric
capacity
is not
connect
ed or is
damage
d.
Manual
check
Connect
or replace
the
electric
capacity.
6.1.3
The
motor is
damage
d.
Other
reasons
Replace
the motor.
6.2 The
ODU's
fan is
faulty.
Manual check
6.2.1
The fan
motor is
not
properly
connect
ed with
the
control
board of
the
motor
with the
power
cable.
Manual
check
Reconnec
t it
properly.
6.2.2
The fan
motor is
not
properly
connect
ed with
the
control
board of
the
motor
with the
signal
feedbac
k cable.
Manual
check
Reconnec
t it
properly.
6.2.3
The
control
board of
the fan's
motor is
damage
d.
Manual
check
Replace
the control
board of
the motor.