Wired remote
contr
oller
H04
H05
H06
H07
H08
Outdoor 7-segment displa
y
Chec
k code
A
uxiliar
y
code
H04
—
H05
—
H06
—
H07
—
H08
01
:
TK1 sensor error
02
:
TK2 sensor error
03
:
TK3 sensor error
04
:
TK4 sensor error
05
:
TK5 sensor error
Detected position
I/F
I/F
I/F
I/F
I/F
Chec
k code name
Compressor 1 case ther
mo operation
Outdoor unit discharge temp
. sensor (TD1)
mis
wir
ing
Lo
w-pressure protectiv
e
oper
ation
Protection f
or oil le
ve
l
drop detection
Oil le
vel detectiv
e temp
sensor error
Status
All stop
All stop
All stop
All stop
All stop
All stop
All stop
All stop
All stop
E
rr
or detection condition
Compressor 1 case ther
mostat perf
or
med
protectiv
e oper
ation.
While compressor 1 is oper
ating, the discharge
temp
. (TD1) does not r
ise up
.
Lo
w-pressure Ps detected oper
ation lo
w
er than
0.02MP
a.
The operating compressor detected oil shor
tage
continuously f
or 2 hours
.
•
Resistance v
alue of sensor is infinite or z
ero
.
(Open/Shor
t)
•
Resistance v
alue of sensor is infinite or z
ero
.
(Open/Shor
t)
•
Resistance v
alue of sensor is infinite or z
ero
.
(Open/Shor
t)
•
Resistance v
alue of sensor is infinite or z
ero
.
(Open/Shor
t)
•
Resistance v
alue of sensor is infinite or z
ero
.
(Open/Shor
t)
Chec
k item (position)
•
Chec
k compressor 1 case ther
mo circuit.
(Connector
, cab
le
, P
.C
. board)
•
Chec
k full opening of ser
vice v
alv
e.
(Gas and liquid side)
•
Chec
k outdoor PMV clogging.
(PMV1, 2)
•
Chec
k SV41 circuit leakage
.
•
Chec
k miscab
ling/misinstallation of SV41 and SV42.
•
Chec
k v
alv
e open status of indoor PMV
.
•
Chec
k 4-w
ay
v
alv
e error
.
•
Chec
k refr
igerant shor
tage
.
•
Chec
k mounting of
TD1 sensor
.
•
Chec
k connection and wir
ing of
TD1sensor connector
.
•
Chec
k char
acter
istics of
TD1 sensor resistance v
alue
.
•
Chec
k outdoor unit P
.C
. board (I/F) error
.
•
Chec
k full opening of ser
vice v
alv
e.
(Discharge gas
, suction gas and liquid side)
•
Chec
k outdoor PMV clogging.
(PMV1, 2)
•
Chec
k SV2 circuit and SV4 circuit error
.
•
Chec
k lo
w-pressure Ps sensor error
.
•
Chec
k indoor air filter clogging.
•
Chec
k v
alv
e open of indoor PMV
.
•
Chec
k refr
igerant pipe clogging.
•
Chec
k outdoor f
an oper
ation.
(All heating, mainly heating, par
t cooling oper
ation)
•
Chec
k refr
igerant shor
tage
.
<Chec
k all the outdoor units in the corresponding line
.>
•
Chec
k full opening of ser
vice v
alv
e of balance pipe
.
•
Chec
k connection and installation of
TK1,
TK2,
TK3, and
TK4 sensors
.
•
Chec
k
char
acter
istics
of TK1, TK2, TK3,
and TK4
resistance
values
.
•
Chec
k gas leak and oil leak in the same line
.
•
Chec
k refr
igerant stagnation in compressor
.
•
Chec
k error of SV3A, SV3B
, SV3C
, SV3D
, and SV3E v
alv
es
.
•
Chec
k clogging of oil separ
ator oil retur
n circuit.
•
Chec
k clogging of oil-equation circuit.
•
Chec
k connection of
TK1 sensor connector
.
•
Chec
k char
acter
istics of
TK1 sensor resistance v
alue
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k connection of
TK2 sensor connector
.
•
Chec
k char
acter
istics of
TK2 sensor resistance v
alue
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k connection of
TK3 sensor connector
.
•
Chec
k char
acter
istics of
TK3 sensor resistance v
alue
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k connection of
TK4 sensor connector
.
•
Chec
k char
acter
istics of
TK4 sensor resistance v
alue
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k connection of
TK5 sensor connector
.
•
Chec
k char
acter
istics of
TK5 sensor resistance v
alue
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
Chec
k code
FILE NO. SVM-18070
- 61 -
