48
Chec
k code
Main
remote
contr
oller
H08
H14
H16
Outdoor 7-segment displa
y
Chec
k code
Sub-code
H08
0
1
:
TK1 sensor error
0
2
:
TK2 sensor error
0
3
:
TK3 sensor error
0
4
:
TK4 sensor error
H14
—
H16
01:
TK1 oil circuit
system error
02:
TK2 oil circuit
system error
03:
TK3 oil circuit
system error
04:
TK4 oil circuit
system error
AI-NET
central contr
ol
remote contr
oller
d4
44
d7
Detected
position
I/F
I/F
I/F
Chec
k code name
Oil le
v
el detectiv
e
temp sensor error
Compressor 2
case ther
m
o
oper
ation
Oil le
v
el detectiv
e
circuit system
error
MG-SW error
OCR oper
ation
Status
All stop
All stop
All stop
All stop
All stop
All stop
Err
or detection condition
•
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)
Compressor 2 case
ther
mostat oper
ated.
T
emper
ature change of
TK1 could not be detected
though compressor 1
star
ted the oper
ation.
T
emper
ature change of
TK2 could not be detected
though compressor 2
star
ted the oper
ation.
T
emper
ature change of
TK3 could not be detected
though compressor
star
ted the oper
ation.
T
emper
ature change of
TK4 could not be detected
though compressor
star
ted the oper
ation, or
the diff
erence from other
TK sensor changed f
or a
constant time only within
the specified r
ange
.
Chec
k item (position)
•
Chec
k connection of
TK1 sensor connector
.
•
Chec
k character
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 character
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 character
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 character
istics of
TK4 sensor resistance v
alue
.
•
Chec
k outdoor P
.C
. board (I/F) error
.
•
Chec
k compressor 2 case ther
mo circuit.
(Connector
, wire
, 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 SV42 v
alv
e leak.
•
Chec
k mis
wir
ing/misinstallation of SV41 and SV42.
•
Chec
k v
alv
e opening of indoor PMV
.
•
Chec
k 4-w
a
y
v
alv
e error
.
•
Chec
k refr
iger
ant shor
tage
.
•
Chec
k compressor error
.
•
Chec
k TK1
sensor
coming-off
.
•
Chec
k character
istics of
TK1 sensor resistance v
alue
.
•
Chec
k TK1, TK2,
TK3,
and
TK4
misconnection.
•
Chec
k oper
ation error of SV3E v
alv
e
.
•
Chec
k capillar
y clogging of oil-equation circuit and oper
ation error of stop v
alv
e
.
•
Chec
k refr
iger
ant stagnation in compressor
.
•
Chec
k MG-SW or OCR.
•
Chec
k TK2
sensor
coming-off
.
•
Chec
k character
istics of
TK2 sensor resistance v
alue
.
•
Chec
k TK1, TK2,
TK3,
and
TK4
misconnection.
•
Chec
k SV3E v
alv
e oper
ation.
•
Chec
k capillar
y clogging of oil equalization circuit and chec
k stop v
alv
e oper
ation.
•
Chec
k refr
iger
ant stagnation in compressor shell.
•
Chec
k MG-SW or OCR.
•
Chec
k TK3
sensor
coming-off
.
•
Chec
k character
istics of
TK3 sensor resistance v
alue
.
•
Chec
k TK1, TK2,
TK3,
and
TK4
misconnection.
•
Chec
k SV3E v
alv
e oper
ation.
•
Chec
k capillar
y clogging of oil-equalization circuit and chec
k v
alv
e oper
ation.
•
Chec
k refr
iger
ant stagnation in compressor shell.
•
Chec
k MG-SW or OCR.
•
Chec
k TK4
sensor
coming-off
.
•
Chec
k character
istics of
TK4 sensor resistance v
alue
.
•
Chec
k TK1, TK2,
TK3,
and
TK4
misconnection.
•
Chec
k SV3E v
alv
e oper
ation.
•
Chec
k capillar
y clogging of oil-equalization circuit and chec
k v
alv
e oper
ation.
•
Chec
k refr
iger
ant stagnation in compressor shell.
•
Chec
k MG-SW or OCR.
MG-SW
: Magnet Switch
OCR
: Ov
er-current Rela
y
FILE NO. SVM-05052
Summary of Contents for MMK-AP0072H
Page 125: ...TOSHIBA CARRIER CORPORATION ...
