59
(
∗
1)
All stop only in case of the header unit.
The f
ollo
w
er unit continues oper
ation.
Chec
k code
Wired remote
contr
oller
F15
F16
F22
F23
F24
F29
F31
H01
H02
H03
Outdoor 7-segment displa
y
Chec
k code
A
uxiliar
y
code
F15
—
F16
—
F22
—
F23
—
F24
—
——
F31
—
H01
01
:
Compressor 1 side
02
:
Compressor 2 side
03
:
Compressor 3 side
H02
01
:
Compressor 1 side
02
:
Compressor 2 side
03
:
Compressor 3 side
H03
01
:
Compressor 1 side
02
:
Compressor 2 side
03
:
Compressor 3 side
Detected position
I/F
I/F
I/F
I/F
I/F
Indoor
I/F
IPDU
IPDU
IPDU
Chec
k code name
Outdoor temp sensor miscab
ling (TE1,
TL)
Outdoor pressure sensor miscab
ling (Pd, Ps)
TD3 sensor error
Ps sensor error
Pd sensor error
Indoor other error
Outdoor EEPR
OM error
Compressor breakdo
wn
Compressor error (loc
k)
Current detection circuit system error
Status
All stop
All stop
All stop
All stop
All stop
Corresponding unit only stops
.
All stop
(
∗
1)
All stop
All stop
All stop
E
rr
or detection condition
Dur
ing oper
ation of compressor in HEA
T
mode
, the
TE1 detection temp w
as higher
than that of
TL b
y the specified v
alue
continued f
or 3 min
utes or more
.
High-pressure Pd sensor and lo
w-pressure
Ps sensor w
ere e
xchanged, or output
voltages of both sensors are z
ero
.
Sensor resistance v
alue is infinite or 0
(Open/Shor
t)
Output v
oltage of Ps sensor w
as z
ero
.
Output v
oltage of Pd sensor w
as z
ero
.
(Sensor Open)
Pd > 4.15MP
a dur
ing stop of compressor
Indoor P
.C
. board did not oper
ate nor
mally
.
Outdoor P
.C
. board (I/F) did not oper
ate
nor
mally
.
In
ve
rter current detection circuit detected
ov
er-current and stopped.
Ov
er-current w
as detected se
ve
ral seconds
after header compressor had star
ted.
While header compressor stopped, current flo
w
ed more than the specified current and
w
as detected.
Chec
k item (position)
•
Chec
k installation of
TE1 sensor and
TL sensor
.
•
Chec
k char
acter
istics of
TE1 and
TL sensor resistance v
alue
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k connection of high-pressure Pd sensor connector
.
•
Chec
k connection of lo
w-pressure Ps sensor connector
.
•
Chec
k pressure sensors Pd and Ps error
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k compression error of compressor
.
•
Chec
k connection of
TD3 sensor connector
.
•
Chec
k resistance v
alue char
acter
istics of
TD3.
•
Chec
k error of outdoor P
.C
. board (I/F).
•
Misconnection of Ps sensor and Pd sensor connectors
•
Chec
k connection of Ps sensor connector
.
•
Chec
k Ps sensor error
.
•
Chec
k compression error of compressor
.
•
Chec
k 4-w
ay
v
alv
e error
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k SV4 circuit error
.
•
Chec
k connection of Pd sensor connector
.
•
Chec
k Pd sensor error
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k indoor P
.C
. board error (EEPR
OM error).
•
Chec
k pow
er
voltage
.
•
Chec
k po
w
er noise
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k po
w
er v
oltage
. (A
C380–415V ± 10%).
•
Chec
k compressor error
.
•
Chec
k cause of abnor
mal o
ver
load oper
ation.
•
Chec
k outdoor P
.C
. board (Comp
. IPDU) error
.
•
Chec
k compressor error
.
•
Chec
k po
w
er
voltage
. (A
C380–415V ±10%).
•
Chec
k cab
le of compressor and phase-missing.
•
Chec
k connector/ter
minal connection on IPDU P
.C
. board.
•
Chec
k conduction of case heater
.
(Chec
k activ
ation error due to liquid stagnation in compressor
.)
•
Chec
k outdoor P
.C
. board (Comp
. IPDU) error
.
•
Chec
k cab
ling of current detection circuit system.
•
Chec
k outdoor P
.C
. board (Comp
. IPDU) error
.
FILE NO. SVM-1
40
7
8
