Toshiba MAP1406HT8(J)P, Service Manual

Page: 195 / 345

Ye
s
Outdoor I/F P
.C. board
TE1 sensor : CN520, Green TL
1
sensor : CN523, White
No No
Ye
s
No
Ye
s
[F15]
[F08] [F10] [F12]
[F07]
[F13]
Sub-code: 01: Compressor 1, 02: Compressor
2
e
d
o
c
k
c
e
h
C
e
s
u
a
C
e
d
o
c
k
c
e
h
C
e
s
u
a
C
e
d
o
c
k
c
e
h
C
Check code name
e
s
u
a
C
e
d
o
c
k
c
e
h
C
e
d
o
c
k
c
e
h
C
e
d
o
c
k
c
e
h
C
Check code name
Check code name
TL
1,TL2,TL3
sensor error
Check code name
Outdoor temp sensor miswiring (TE1, TL
1
)
Cause
TL
1,TL2,TL3
sensor Open/Short
T
O sensor error
T
O sensor Open/Short
Check code name
Indoor TA
/TSA
sensor error
T
A
sensor Open/Short
Check code name
TS1
,TS3
sensor error
Cause
TS1
,TS3
sensor Open/Short
TH sensor error
Cause
IPM
built-in sensor error in
A3-IPDU
This error code means
IPM
built-in temperature sensor error.
If sensor is normal, replace IPDU P.C. board.
1.
Misinstallation and misconnection of
TE1 sensor
and TL
1
sensor
2.
Resistance characteristics error of
TE1 sensor and
TL
1
sensor
3.
Outdoor P
.C. board (I/F) error
Are installed positions
of
TE1 sensor and
TL
1
sensor correct?
Are connection
of
TE1 sensor connector
and
TL
1
sensor connector
normal?
Are resistance
characteristics of
TL
1
sensor and
TE1 sensor
normal?
Correct installed positions of TE1 sensor and
TL
1
sensor.
Correct connection of connectors. Correct connection of connectors.
Check outdoor I/F P
.C. board.
Defect
Replace
TE1 sensor: Outdoor heat exchanger temp sensor TL
1
sensor:
Temp sensor between liquid tank of outdoor PMV
* See “Outdoor unit temperature sensor characteristics” on
“8-
10
. Se
nsor Characteristics”.
This error code
mean
s dete
ction of
Open/Shor
t
of TL
1,TL2,TL3
sen
sor.
Check disconnect
ion
of circuit
for
connection
o
f
connector (TL
1
sensor:
CN523
WHI,
TL
2
sensor
: CN524
GRY,
TL3
sensor:
CN90
2
PNK
) and
characteristics
of
sensor
resistance
value.
(See
“Outdoor
unit temperature
sensor characteristics” on
“8-
10
.
Sensor Characteristics”.) If senso
r is
norm
al,
replace
ou
tdoor
I
/F P.C.
bo
ard.
This error co
de
mean
s de
te
ction of
Ope
n/S
hort
of TO
sen
sor. Ch
eck d
isconn
ect
io
n o
f
circuit
for co
nne
ction
of
connector
(TO
sensor: CN507
,
Yellow) and
characteristics of
sensor
re
sistance value. (See
“Ou
tdoor unit
temperature
sensor characteristics”
on
“8-
10
. Sensor Characteristics”.)
If se
nso
r is
nor
mal
,
re
place
ou
td
oor
I
/F P.C
. bo
ar
d.
This error code
mean
s dete
ction of
Open/S
hort
of TA
sen
sor. Check disconnection of
circuit
for connection
of
connector (TA
/TSA
sensor:
CN104
, Y
ellow) an
d
characteristics of
se
nsor
resistance value.
(See
“
Indoor unit
te
mperature
sensor characteristics”
on
“8-
10
. Sensor Characteristics”.)
If
s
e
n
s
or
i
s
n
o
rma
l,
r
e
p
la
c
e
in
do
or
P
.C.
bo
ar
d.
This error code
mean
s dete
ction of
Open/S
hort
of TS1
,TS3
sensor.
Che
ck disconnection
of
circu
it fo
r
connection
of
connect
or
(TS1
sensor:
CN505
WHI,
TS3
sensor:
CN90
3
PUR
) an
d characteristics of sen
sor
resistance value.
(See “Outdoo
r
unit temperature
sensor characteristics”
on
“8-
10
.
Sensor Characteristics”.)
If se
nso
r is
nor
m
al,
re
pl
ace
ou
td
oor
I
/F P.C.
bo
ar
d.
Sub-code: 01:TL1, 02;TL2, 03;TL3
[F0
9
]
Check code
Check code name
TG1, TG2
sensor error
Cause
T
G1, TG2
sensor Open/Short
Sub-code: 01:TS1,
03:
TS3
Sub-code: 01:
TG1, 02: TG2
This error code means detection of Open/Short of T
G
1, T
G2
sensor. Check disconnection of circuit for
connection of connector (TG1 sensor: CN525 BLU, TG2 sensor: CN526 WHI) and characteristics of sensor resistance value. (See "Outdoor unit temperature sensor characteristics" on "8-
10
. Sensor
Characteristics".) If sensor is normal, replace outdoor I/F F.C. board.
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