Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
279
5.The
high
pressure
switch is
faulty.
E1
E1
protection
is
displayed
on the unit
when it is
powered
on.
5.1The
high
pressure
switch is
not
connected
to the
main
board.
5.1.1The
pressure
switch is
not
connecte
d to the
main
board.
Reconnect
it.
5.1.2The
connect
wire
between
the
pressure
switch
and main
board is
faulty.
Replace
the
connect
wire.
5.2The
high
pressure
switch is
damaged.
Replace
the
pressure
switch.
6.The fan
is not
working
properly.
A.
B.
A. The
ODU's fan
does not
work in the
cooling
mode.
B. The
IDU's
motor
does not
work in the
heating
mode.
6.1The
IDU's fan
is faulty.
Manual check
6.1.1The
power
cable
connectin
g the
motor
and main
board is
loose.
Manual
check
Reconnect
the motor
with the
power
cable.
6.1.2The
electric
capacity
is not
connecte
d or is
damaged
.
Manual
check
Connect or
replace the
electric
capacity.
6.1.3The
motor is
damaged
.
Other
reasons
Replace
the motor.