Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
281
7.Too
much
refrigerant
Other
reasons
Incorrect
quantity of
refrigerant
is
injected.
Check the
necessary
amount of
refrigerant
and
discharge
unneeded
refrigerant
slowly via
the stop
valve of
the fluid
pipe.
JL
Low
high
pressur
e
protecti
on
1.The
ambient
temperatu
re
exceeds
the range.
1.1The
outdoor
ambient
temperatu
re in the
cooling
mode is
lower than
-10C.
Measure the
outdoor
ambient
temperature.
It is a
normal
phenomen
on caused
by the
protection
function.
1.2The
indoor
ambient
temperatu
re in the
heating
mode is
lower than
5C.
Measure the
temperature of
the unit's
return air.
It is a
normal
phenomen
on caused
by the
protection
function.
2.Not
enough
refrigerant
Locate the
leak and
inject
refrigerant.
Fau
lt
cod
e
Fault
Possible causes
Solution
Descriptio
n
Confirmati
on method
Descriptio
n
Confirmation
method
Description
Confirmati
on method
E3
Low
pressur
e
protecti
1.The
stop valve
of the
ODU is
Manual
check
Fully open
the stop
valve.