Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
278
4.The
pressure
sensor is
faulty.
4.1The
high
pressure
sensor is
faulty.
205
Stop the whole
system. Test
the system's
balance
pressure 20
minutes later
and convert
the pressure
into the
corresponding
saturation
temperature.
Compare it
with the
outdoor
ambient
temperature. If
the difference
is larger than
5C, it is
exceptional.
Replace
the high
pressure
sensor.
4.2The
high
pressure
and low
pressure
sensors
are
connected
reversely.
Connect the
stop valve of
the module
fluid pipe and
air pipe to the
high and low
pressure
gauges and
transform the
readings into
corresponding
temperatures.
Compare them
to the high-
and
low-temperatu
res tested by
the system. If
the difference
is larger than
5C, it is
exceptional.
Check the
high and
low-pressu
re sensors.