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– 169 –
Circuit
TK1
TK2
TK3
TK4
TK5
Connector
CN531 (Blac
k)
CN532 (Green)
CN533 (Pink)
CN534 (Y
ello
w)
CN535 (Red)
[H08]
No
Ye
s
Ye
s
No error
No
No error
Error
Error
No
Ye
s
[H16]
Chec
k code
Cause
Chec
k code name
Chec
k code
Cause
Chec
k code name
Oil le
v
el detectiv
e temper
ature
sensor error
TK1 to
TK5 sensor Open/Shor
t
Oil le
v
el detection circuit error
TK1 temper
ature detectiv
e circuit
error (Sub-code:
01)
Sub-code:
01:
TK1 sensor error 02:
TK2 sensor error 03:
TK3 sensor error
04:
TK4 sensor error 05:
TK5 sensor error
The detected error is an oil le
v
e
l detectiv
e temper
ature sensor error
. Chec
k disconnection of the wir
ing and resistance
v
a
lue of the sensor
.
If the sensors are nor
mal, replace the outdoor I/F P
.C
. board.
1.
Coming-off of
TK1 sensor
, mis
wir
ing,
char
acter
istics error of resistance v
alue
2.
Oil-equalization circuit error (Chec
k v
alv
e
,
capillar
y clogging, str
ainer clogging)
3.
Refr
iger
ant stagnation in the compressor shell
Is not
TK1 sensor
detached?
Is there
no mis
wir
ing or
misinstallation on
TD1/TD2/TD3/TK1/TK2/
TK3/TK4/TK5
sensors?
Are
char
acter
istics of
TK1 sensor resistance
v
a
lue nor
mal?
Chec
k the
clogging of SV3E
v
a
lv
e
. (Note 1)
Correct installation of sensor
.
Sensor error
Replace clogging par
t.
Replace SV3E v
alv
e
.
Chec
k I/F P
.C
. board
Correct mis
wir
ing/misinstallation.
TD1:
CN502 white
TD2:
CN503 pink
TD3:
CN504 b
lue
TK1:
CN531, b
lac
k
TK2:
CN532, g
reen
TK3:
CN533, pink
TK4:
CN534, y
ello
w
TK5:
CN535, red
Star
t a test oper
ation in COOL or HEA
T mode
.
Displa
y
TK1 sensor temper
a
ture on 7-segment displa
y with
SW01/02/03=[1] [12] [2].
Chec
k
TK1 sensor temp appro
x
. 10 min
u
tes after compressor 1 has oper
ated.
If lo
w temper
ature contin
ues (appro
ximately outside temp) or temper
ature has
little change
, a clogging of str
ainer of oil-equalization circuit, clogging of
capillar
y
tube
, or malfunction of chec
k
v
a
lv
e is considered.
(Note 1) Ref
er to the ar
ticle of the chec
k
code [H07].
*See "Outdoor unit temper
ature sensor
char
acter
istics" on "
9
-9
. Sensor Char
acter
istics".
↓
↓
Comp
. 1
(in
ver
ter)
Str
ainer
Chec
k
va
lv
e
Capillar
y
tube
(TK1)
Error
No
Ye
s
Ye
s
Ye
s
No
No
No error
No error
Error
[H16]
Chec
k code
Cause
Chec
k code name
Oil le
v
el detection circuit error
TK2 temper
ature detectiv
e circuit
error (Sub-code:
02)
1.
Coming-off of
TK2 sensor
, mis
wir
ing,
char
acter
istics error of resistance v
alue
2.
Oil-equalization circuit error (Chec
k v
alv
e
,
capillar
y clogging, str
ainer clogging)
3.
Refr
iger
ant stagnation in the compressor shell
Is not
TK2 sensor
detached?
Is there
no mis
wir
ing or
misinstallation on
TD1/TD2/TD3/TK1/TK2/
TK3/TK4/TK5
sensors?
Are
char
acter
istics of
TK2
sensor resistance
value nor
mal?
Chec
k the clogging
of SV3E v
alv
e
.
(Note 1)
Correct installation of
sensor
.
Sensor error
Replace clogging par
t.
Replace SV3E v
alv
e
.
Chec
k I/F P
.C
. board
Correct mis
wir
ing/misinstallation.
TD1:
CN502, white
TD2:
CN503, pink
TD3:
CN504, b
lue
TK1:
CN531, b
lac
k
TK2:
CN532, g
reen
TK3:
CN533, pink
TK4:
CN534, y
ello
w
TK5:
CN535, red
Star
t a test oper
ation in COOL or HEA
T mode
.
Displa
y
TK2 sensor temper
ature on 7-segment displa
y with
SW01/02/03=[1] [13] [2].
Chec
k
TK2 sensor temp appro
x.
10 min
u
tes after compressor 2 has oper
a
ted.
If lo
w temper
ature contin
ues (appro
ximately outside temp) or temper
a
ture has
little change
, a clogging of str
ainer of oil-equalization circuit, clogging of
capillar
y
tube
, or malfunction of chec
k
v
a
lv
e is considered.
(Note 1) Ref
er to the ar
ticle of the chec
k
code [H07].
After resetting
the po
w
e
r
*See "Outdoor unit temper
ature sensor
char
acter
istics" on "
9
-9
. Sensor Char
acter
istics".
↓
↓
(TK2)
Capillar
y
tube
Str
ainer
Comp
. 2
(in
ver
ter)
Chec
k
va
lv
e
Summary of Contents for MMY-MAP0724FT6UL
Page 35: ...35 3 5 Parts Layout in Outdoor Unit 072 type Model MMY MAP0724FT...
Page 36: ...36 096 120 type Model MMY MAP0964FT MAP1204FT...
Page 37: ...37 3 6 Parts Layout in Inverter Assembly 208 230V model MMY MAP0724FT9UL...
Page 38: ...38 208 230V model MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 39: ...39 460V model MMY MAP0724FT6UL...
Page 40: ...40 460V model MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 41: ...41 3 7 Outdoor Inverter print circuit board 3 7 1 Interface P C board MCC 1606...
Page 42: ...42 3 7 2 Inverter P C board for compressor MCC 1595 A3 IPDU For 208 230V model MMY MAP 4FT9UL...
Page 43: ...43 3 7 3 Inverter P C board for compressor MCC 1596 A3 IPDU For 460V model MMY MAP 4FT6UL...
Page 44: ...44 3 7 4 Inverter P C board for fan motor MCC 1610 FAN IPDU...
Page 45: ...45 3 7 5 Noise Filter P C board MCC 1608 A B For 208 230V model MMY MAP 4FT9UL...
Page 46: ...46 3 7 6 Noise Filter P C board MCC 1625 A B C For 460V model MMY MAP 4FT6UL...
Page 195: ...195...
Page 197: ...197...
Page 257: ...257 15 EXPLODED DIAGRAM PARTS LIST Outdoor unit 15 1 MMY MAP0724FT9UL...
Page 258: ...258 15 1 MMY MAP0724FT9UL...
Page 262: ...262 15 1 Inverter Assembly MMY MAP0724FT9UL...
Page 264: ...264 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 265: ...265 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 269: ...269 15 2 Inverter Assembly MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 271: ...271 15 3 MMY MAP0724FT6UL...
Page 272: ...272 15 3 MMY MAP0724FT6UL...
Page 276: ...276 15 3 Inverter Assembly MMY MAP0724FT6UL...
Page 278: ...278 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 279: ...279 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 283: ...283 15 4 Inverter Assembly MMY MAP0964FT6UL MMY MAP1204FT6UL...