Outdoor Unit Error Display - Midea MS11M-09HRFN1-BW0W Service Manual

9.2 Outdoor unit error display

For MOB30-09HFN1-MX0W,
MOCA30-09HFN1-MZ65W, MOCA30-12HFN1-MZ10W, MCA30-17HFN1-MW0W
b ri d g e
R 1 41
R 1 54
R 1 55 R 1 53
R 1 50
R 1 42
R 1 51
f a s t re c o v e ry d io d e
R 1 52
( F R D )
I G B T
D Z6
D 8
D 9
E 2
I C4
R 36
R 37
D 12 C 38
C 10
D 15
D 10
R 1 35
E 3 01
C 31
C 34
R 1 58 R 1 56
D Z3 01
Q 3
C 85
I P M f o r c o m p re s s o r
C 3 02
I C 34
E 3 02 C 60 D Z3 02
+
C 3 14
E 3 03
c o n n e c t t o D C m o to r C 61 + D Z3 03
W
C 3 18
E 3 04 D Z3 04
C 62
+
0 V A C s ta n d b y V
1 0 ~ 2 0 0 V A C ' ru n n in g
U
After power on, LED3(Green color) and LED2(Red color) will be flash if the unit has some
problems.
No. Problems
1 standby for normal
2 Operation normally
3 IPM malfunction or IGBT over-strong current protection
4 Over voltage or too low voltage protection
5 EEPROM parameter error
6 Inverter compressor drive error
7 Inverter compressor drive error
8 Inverter compressor drive error
MOB30-12HFN1-MV0W,
2 9 0 - 3 3 0 V D C s t a n d b y
2 1 0 - 3 0 0 V D C r u n n i n g
c o n n e c t t o th e D R m o d u le
c o n n e c t to re a c t a n c e
D R
B R 1 C 2 P T C 1
C 6
C N 12
R E A C T O R
C N 2 5
C N 2 1
C N 13
R Y 1
R 38
D 5
E 5
C 41
I G B T 1
R 1 8
Z R4
P
R 1 8 A
N
E 3 05
R 3 1 6
R 20
R 47 R 67
R 19 R 88
R 57
R 3 1 6 A
C 58
I P M 1
C 30
E 3
R 50
R 1 24 C 92 C 80
B L A C K
C 96
R 1 23
C 95 R 1 22
W
U
C 66 R 14
R 1 19 C 47
C N 29
C 98
C N 3 0
P
R 1 25
R 1 18
R 1 26 R 1 17
R 1 02
V R E D
R 86
C 52
C N 28
E 8
R 1 34
U
B L U E
C N 27
C N9 1
2 4 L C 0 8
I C7
I C8
1 7 1 2 2 2 0 0 0 0 0 3 0 9
c o n n e c t t o P C c o m m u n ic a tio n
L E D 2 （ r e d ） & L E D 3 （ g re e n
c o m b i n a ti o n L E D 2 a n d L E D 3 s h o w e r ro rs
（ r e f e r t o th e a t te c h m e n t W o rd
O（light） X（off）
c o n n e c t to e a r th
f u s e 2 5 0 V 3 0 A
C N 2 2
C 5
L 1
C 3
D S A1
Z R2
F US E1
6 5 T 2 5 0 V 3 0 A
R 11
Z R1
C 1
Z R3
C 4 4 - W A Y
C 82
7 8 0 5
R Y2
R d i L o w - F r e
E 4 09 I C4 04
H a v e N O
N o Y E S
D R
R 1 27 C 1 05
R i p m T e m p - P r o
I N
H a v e Y E S
-
N o N O A C
E 4
+
R Y3 ~ ~
C 40
R 4 01
1 2 V 5 V
C 50
R Y4
D 13
C 4 04
E 4 02
+
R Y5
C 4 05
C 4 01
T 4 0 1
E 4 05
1
1 0 C N 38
C 1 47
I C 14
D 4 01 C N 39 1 R C4
9
2 4 L C 0 8
I C 12
I C 11
R 1 66
3
C 4 03
C 4 11 R 1 64
D 3
R 24
4 7
R 23
R 43 R 1 65
I C4 02
5
C 4 02 6 E 28
R 4 02 C 46 R 44
R 4 15
D 4 04
C 87
R 4 05 2 2 J 3
D 4 02 R 85
R 78
1 1 R 1 60
R 40
Q 8
R 97
E 4 10
I C4 06
E 4 03 X 1 R 92
R 45 R 46 R 13
J 6 I C2
Q 2 R 3 22 1
R 3 21 P C8 51
D 14
3 4
R 21 I C 17
R 53 D 7
C 19 R 6
E 17 E 14 R 77
R 3
C 4 06
R 76
C 18 E 4 06
R 81 R 82 D 2 C 4 07 R 7
C 5 14 E 6 R 30
R 5 20 E 10
R 26
1 7 V 1 5 V
I C4 05
7 8 1 5
R 5 22
D Z5 01
C 4 09
R 5 21 E 4 08 R 5 15
R 12 L E D3
I C4 07 E 4 04
C 25 R 5 18 R 5 16
R 79
C 17 R 48 L E D2 3 1 1 T E S T
R 5 19 R 5 17
C N 24
R 5 08
C 5 06
E 4 07
P C8 17
I C5 E 5 03
R 73 C 36
C 33 R 25
C 39 R 22
O S C1
C 53
D Z2 E 5 04
R 1 78 R 1 77 E 27
C 35
P C8 17
I C 31 I C3
C 90 C 5 04 C 5 02
R 99
R 1 21
D Z5 02
2 4 L C 5 1 2 R 95
E 5 02
I C 21 R 96
P C 8 1 7
C 73
C N 1 9
R 1 06
K F R - 7 2 W / B P 2 - ( 3 1 1 + 0 5 1 5 + 6 0 6 1 H D + P S S 3 0 S 9 2 F 6 - A G + 6 8 2 2 + H E A T ) . D . 1 3 . W P 2 . 1
t e s t p o r t
L E D : st a t u s li g h t （ y e l lo w ）
r e s e r v e
s l o w f lic k e r ： s ta n d b y （ 0 .5 H z ）
） : s t a t u s lig h t
q u i c k f li c k e r ： e r r o r （ 2 H z ）
i n t e r n a l d r i v e m o t o r
c o n t i n u o u s l i g h t: ru n n in g
）
6 5 4 3 1
e x h a u s t t e m p . s e n s o r
☆（2.5Hz flash）
25
MOCA30-18HFN1-MT0W
[ V 1 . 8 ] 2 0 1 5 - 0 1 - 1 6
C N6
C N6 -1
C N 3
N - I N
C N7
p o w e r s u p p ly 2 0 8 - 2 3 0 V A C c o n n e c t t o th e te r m in a l
C N8
L - I N
S
C N2
R C3
c o n n e c t to 4 - w a y v a l v e
R C1
w h e n 4 - w a y is o n , o u t p u t 2 0 8 - 2 3 0 V A C
C N 5 / C N 4 c o n n e c t t o c h a s s is h e a t e r
w h e n h e a t e r i s o n , o u t p u t 2 0 8 - 2 3 0 V A C
1 lo w s p e e d
R C2 A C F A N m o t o tr
2 h ig n s p e e d
3 g r o u n d
E E P R O M P r o g r a m m e r P o r t
H E A T
C 7
c o n n e c t to c o m p r e s s o r h e a te r
D 1
w h e n h e a te r is o n , o u tp u t 2 0 8 - 2 3 0 V A C
C o n n e c t t o P C
P M V
R 1 c o m m u n i c a t i o n
R 2
C N 1 8
C 8
I C 10
I C1
P C8 17 c o n n e c t to e l e c t r ic e x p a n s io n v a l v e
C 48
C N 2 3
E 1
Q 1 C 9
C 13
t e s t p o r t
R 4
R 87
E 11
R 4 19
R 33
R 8
R 5 1 5 A R 1 01
r e s e r v e
R 1 00
R 71
E 22 H u i Q i
C N 2 0
S u c t i o n
E 23
e x t e r n a l d r i v e m o t o r
U
E 24
c o n n e c t t o D C m o t o r
R 29
V
0 V A C s t a n d b y
R 27
1 0 ~ 2 0 0 V A C ' ru n n i n g
W
R 31
N T C4
E x h a u s t
C N 4 1 4
C N1
T P T 4
T 3 I P M f o r D C F A N
C N 1 7
p i p e t e m p .s e n s o r& r o o m t e m p . s e n s o r
T P T 4 T 3
7 6 5 4 3 2 1
LED3 LED2
(Green) (Red)
O X
X O
☆
X
O O
☆
O
☆
X
☆
O
☆ ☆
，
+ 1 2 V D C
+ 1 2 V D C
+ 1 2 V D C p u l s e w a v e b e tw e e n ( + 4 )-G N D
+ 1 2 V D C p u l s e w a v e b e tw e e n ( + 3 )-G N D
+ 1 2 V D C p u l s e w a v e b e tw e e n ( + 2 )-G N D
+ 1 2 V D C p u l s e w a v e b e tw e e n ( + 1 )-G N D
IU display
P0
P1
E5
P4
P4
P4