SANY LATIN AMERICA
7-22
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
7.3.4 Electrical control circuit diagram (sensor and solenoid valve circuit)
F-108
(W-1)
C
CN-101M
(S-1)
1
1
50
50
50
50
50
50
50
50
50
50
C
B
A
C
B
A
0
C
B
A
C
B
A
0
C
B
A
C
B
A
0
C
B
A
C
B
A
0
C
B
A
C
B
A
0
C
B
A
C
B
A
0
C
B
A
C
B
A
0
C
B
A
C
B
A
0
0
C
B
A
A
B
C
C
B
A
C
B
A
0
C
B
A
s PWR
s GND
s GND
CN-121M
(DF-3)
201
50
0
CN-120M
(DF-3)
200
CN-123M
(DF-3)
208
CN-124M
(DF-3)
205
204
CN-127M
(DF-3)
207
206
CN-125M
(DF-3)
CN-126M
(DF-3)
CN-128M
(DF-3)
203
202
CN-122M
(DF-3)
CN-116M
(DF-3)
501
502
CN-115M
(DF-3)
C
A
B
0
508
CN-131F
(AMP-2)
2
1
2
1
607
0
0
703
1
2
1
2
CN-114F
(AMP-2)
CN-113F
(AMP-2)
2
1
2
1
702
0
0
603
0
602
0
604
0
608
CN-135F
(AMP-2)
2
1
2
1
CN-132F
(AMP-2)
2
1
2
1
CN-134F
(AMP-2)
2
1
2
1
1
2
1
2
CN-133F
(AMP-2)
509
510
511
CN-152M
(A-2)
2
1
1
2
0
240
欧
w1/4
42
511
108B
108A
2
1
1
2
CN-113M
(A-2)
CN-448M
(S-2)
2
1
1
2
D
B
G
A
1
3
2
4
5
6
7
8
9
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
81
CN-616F
CN-615F
E
F
ZX215-1005042
Boom lower pilot
pressure sensor
Arm in pilot
pressure sensor
Rear pump
pressure sensor
Front pump
pressure sensor
Arm out
pressure sensor
Boom raise pilot
pressure sensor
Bucket dump pilot
pressure sensor
Hi/Lo speed travel
solenoid valve
Rear pump
proportional
solenoid valve
Front pump
proportional
solenoid valve
Boom priority 2-A4
proportional
solenoid valve
Boom priority 1-A4
proportional
solenoid valve
Bucket confluent-A5
proportional
solenoid valve
Swing priority-A4
proportional
solenoid valve
Bucket curl pilot
pressure sensor
Swing pilot
pressure sensor
Left travel pilot
pressure sensor
Right travel pilot
pressure sensor
Oil pressure switch
Fuel level sensor
Coolant temp. sensor
Hydraulic oil temp. sensor
Engine speed sensor
Coolant temp. sensor
Oil level sensor
Hydraulic oil temp. sensor
Pulse input
Speed sensor GND
Grounding
Controller power supply
Grounding
Grounding
24V
power supply
24V
power supply
24V
power supply
Boom priority 2
Boom priority 1
Bucket confluent valve
Swing priority solenoid valve
Rear pump solenoid proportional valve
Front pump solenoid proportional valve
Hi/Lo speed travel
5V
power supply GND
5V
power supply GND
Front pump main pressure sensor
Arm in sensor
Boom raise sensor
Bucket curl sensor
Swing sensor
Travel sensor (right)
5V power supply GND
Rear pump main pressure sensor
Arm out sensor
Boom lower sensor
Bucket dump sensor
Travel sensor (left)
Oil pressure switch
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