Gree GMV-224WM/B-X, Руководство по обслуживанию

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GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
128
C
C
om
m
un
icat
ion
fai
lure
b
et
w
ee
n
in
door
a
nd
ODU
s
and
ID
U
's
comm
un
icat
or
C
omm
un
icat
ion
fai
lure
b
et
w
ee
n
cont
ro
l
bo
ard
and
invert
er
com
press
or
d
ri
ve
C
omm
un
icat
ion
fai
lure
b
et
w
ee
n
cont
ro
l
bo
ard
and var
iab
le
fr
equ
enc
y
fan
drive
N
o
IDU
Indoo
r
un
it
proj
ect
numb
er
con
fl
ict
w
arn
in
g
O
ut
door
un
it
numb
er
inc
o
nsi
st
e
ncy
w
arn
ing
C
om
press
or
emer
ge
ncy
Fa
n
em
erge
ncy
M
odu
le
emer
gen
cy
H
igh
rat
in
g
cap
ac
it
y
rat
io
N
o
co
nt
rol
ling
un
it
Low
r
at
ing
c
apac
it
y
rat
io
M
ul
ti
pl
e
c
ont
ro
lli
ng
u
ni
ts
S
yst
em
a
ddres
s
di
al
co
nf
lict
M
ul
ti
pl
e
m
as
ter
w
ir
ed
c
ont
rol
lers
C
omm
un
icat
ion
fai
lure
b
et
w
ee
n
the
IDU
an
d
recei
vi
n
g
light
bo
ard
IP
addres
s
al
loc
at
io
n
over
fl
ow
GREE VRF Display Code (6)
Content
symbol
0 1 2 3 4 5 6 7 8 9 A H C L E F J P U b d n y
Distinctiv
e symbol
Statu
s
A
Th
e
u
ni
t
is
n
ot
comm
issi
one
d.
A
ft
er
-sal
es
ref
ri
ger
ant
recycl
in
g
D
ef
rost
ing
O
il
recy
cl
ing
C
oo
ling
a
nd
he
at
in
g
set
ti
n
g
S
ilent
m
o
de
set
ti
n
g
V
ac
uum
m
od
e
H
eat
ing
C
oo
ling
R
ef
ri
gerant
i
nj
ect
in
g
V
ent
ilat
ion
Fi
lt
er
cl
e
an
ing
rem
ind
er
U
n
it
st
art
in
g
com
m
is
si
oni
n
g
conf
ir
m
at
ion
R
em
ot
e
emer
g
ency
s
hut
d
ow
n
E
m
erg
ency
s
hut
do
w
n
R
est
ri
ct
ed
op
erat
ion
n
E
co
nom
ic
m
od
e
set
ti
ng
U
pp
er
in
door/
out
d
oor
capac
it
y
rat
io
M
axi
m
um
out
put
capac
it
y
U
n
it
e
faul
t
en
qu
ir
y
U
n
it
param
et
er
enqu
ir
y
Indoo
r
un
it
proj
ect
num
ber
e
nqu
ir
y
C
oo
ling
a
nd
he
at
in
g
m
ode
l
H
eat
ing
m
ode
l
C
oo
ling
m
o
de
l
N
eg
at
iv
e
cod
e
V
ent
ilat
ion
m
o
de
l
For example, when E4 is displayed on the ODU, find line E and column 4 in the above tables. The fault is
shown in the intersection of the line and column: High exhaust temperature protection.
Note: Previous faults in the system can be queried on the main board of the ODU and commissioning
software. See n6 Fault Enquiry of the ODU or enquiry function of the commissioning software for the
method.