– 174 –
No
[L31]
No
No
[P01]
* F
or the models equipped with A
C
f
an motor only
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No
[L30]
Chec
k code
Cause
Chec
k code name
Chec
k code
Cause
Chec
k code name
Chec
k code
Cause
Chec
k code name
Abnor
mal input from the outside
Inter
loc
k in indoor unit from
outside
Other IPDU errors
Is outside de
vice
connected to connector
CN80?
Does outside de
vice
correctly oper
ate?
Is there an
y troub
le
of outdoor unit po
w
e
r
supply?
Is there no
connection error or
disconnection of CN076
connector?
Is not there loc
k of f
a
n
motor?
Chec
k indoor P
.C
. board.
F
ailure
→
Replace
Chec
k outside de
vice
.
F
ailure
→
Replace
Chec
k po
w
er v
oltage and line
.
Chec
k auxiliaty noise
, etc.
Correct cab
ling circuit f
o
r
the connector connection.
Replace f
an motor
.
Chec
k indoor P
.C
. board.
F
ailure
→
Replace
Chec
k outdoor I/F P
.C
.
board.
Chec
k cause of abnor
mal
input.
1.
Outdoor unit po
w
er error
2.
Outdoor I/F P
.C
. board error
Indoor f
an motor error
1.
Wir
ing
error
2.
Chec
k f
an motor
.
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No
No
No
No
[P03]
Chec
k code
Cause
Chec
k code name
Discharge temp
TD1 error
Are ser
vice
v
a
lv
e of gas and liquid
sides fully opened?
Is outdoor PMV nor
mal?
1.
Connector connection
2.
Wir
ing 3.
Coil 4.
V
alv
e body
5.
Outdoor I/F P
.C
. board
Open ser
vice v
alv
e fully
.
Repair outdoor PMV
.
Replace TD1
sensor
.
Chec
k 4-w
a
y
v
alv
e
.
Correct installation of v
alv
e
coil.
Replace SV41 v
alv
e
.
1.
Ser
vice v
alv
e of outdoor unit closed
2.
Outdoor PMV error
3.
TD sensor error
4.
Refr
iger
ant shor
tage
, clogging of refr
iger
ant piping
5.
4-w
a
y
v
alv
e error
6.
SV4 circuit leakage
, misinstallation
7.
SV5 circuit leakage
8.
SV6 circuit clogging
9
. Incorrect piping of discharge gas / suction gas pipes
10.
Cooling/Heating FS unit error
Are
char
acter
istics of
TD1 sensor resistance
nor
ma
Does
discharged refr
iger
ant
gas leak to suction side
through 4-w
a
y
va
lv
e
?
Connectors:
PMV1:
CN300, PMV2:
CN301, PMV4:
CN303
* See "Outdoor unit temper
ature sensor
char
acter
istics" on "
9
-9
. Sensor Char
acter
istics".
No
Correct wir
ing
Refr
iger
ant shor
tage
,
clogging, pipe breakage
Are indoor units of a
diff
erent refr
iger
ant line
connected?
(Chec
k it using the mis
wir
ing chec
k
function of the outdoor unit.)
(Chec
k there is no pipe breakage
, and
then recharge the refr
iger
ant.)
ABNORMAL
SV5 circuit
leakage chec
k
Replace def
ectiv
e par
ts
.
ABNORMAL
NORMAL
SV6 circuit
clogging chec
k
Replace def
ectiv
e par
ts
.
ABNORMAL
NORMAL
Chec
k
incorrect main piping of discharge gas/suction
gas
.
Correct piping to nor
mal piping.
No
NORMAL
Is Cooling/Heating
FS unit nor
mal?
Repair Cooling/Heating FS
unit.
SV4 circuit
1.
Are SV41, SV42 and SV43
va
lv
e coils installed correctly?
2.
Is SV41 circuit sealed
correctly (no leakage)?
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...