SANY Crawler Hydraulic Excavator (SY195C9, SY205C9, SY215C9, SY225C9). Shop Manual (2013) - page 20

 

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SANY Crawler Hydraulic Excavator (SY195C9, SY205C9, SY215C9, SY225C9). Shop Manual (2013) - page 20

 

 

Troubleshooting
Location
Connec-
No. of
Sensor,
Type
Name of device
Cab
Engine
tor No.
pin
Layout
solenoid
circuit
circuit
circuit
CN-304M
H
8
Wiper switch
R-6
C-1
CN-104M
A
2
Horn switch
R-6
E-3
CN-306M
H
8
Preheating switch
R-5
F-1
CN-207F
S
12
Air conditioner unit
W-6
CN-113F
AMP
2
F. pump solenoid valve
I-7
F-2
CN-114F
AMP
2
R. pump solenoid valve
I-7
F-1
Boom priority solenoid valve
CN-135F
AMP
2
J-6
F-2
2
Bucket Confluence solenoid
CN-134F
AMP
2
J-6
F-3
valve
Boom priority solenoid valve
CN-132F
AMP
2
J-6
F-3
1
CN-136F
AMP
2
Pilot solenoid valve
J-6
L-2
Hi/Lo speed travel solenoid
CN-131F
AMP
2
J-6
F-1
valve
CN-133F
AMP
2
Swing priority solenoid valve
J-6
F-4
F-108
W
1
Coolant temperature sensor
J-7
F-8
F-104
W
1
Horn (right)
I-5
K-2
F-103
W
1
Horn (left)
I-5
K-2
CN-616F
AMP
81
Controller
W-6
A-4
CN-615F
AMP
40
Controller
W-6
A-9
CN-800M
S
2
Alternator terminal L/R
K-6
CN-7-707
AMP
2
Cigarette lighter
P-4
CN-150M
D
8
Intermediate connector
AE-3
CN-107M
HL
7
Radio
W-6
PF021
-
-
Fuse box
X-4
CN-1-001M
A
2
Speaker (left)
AE-6
CN-1-002M
A
2
Speaker (right)
AD-7
CN-1-103M
A
2
Front right lamp
AB-6
CN-1-004M
A
2
Front left lamp
AC-5
CN-1-005
H
1
Cab lamp
AE-7
7-10
Troubleshooting
Connector code
Description
S
SWP type, Yazaki
A/AMP
AMP, Japan
D
DT type, Japan
H
Hebi
HL
Hulane Connectors
L
Ling Xing Electronic Equipment
DF
Delphi, U.S.
W
AMP, Japan
Terminal
Round terminal
7-11
Troubleshooting
7.3.1 Connector location layout
CN-105M CN-104M
CN-101M
8
7
6
CN-102M
5
4
3
2
1
ZX215-1005033
A
B
C
D
E
F
7-12
Troubleshooting
CN-113M
CN-448M
F-108
CN-113F
T-112
CN-801F
CN-114F
T-106
CN-115M
T-115
CN-116M
T-111
CN-445M
CN-800M
T-107
CN-112M
CN-124M
CN-125M
CN-126M
F-104
F-103
CN-128M
CN-127M
CN-123M
CN-122M
CN-121M
CN-120M
CN-131F
CN-132F
CN-133F
CN-134F
CN-135F
CN-136F
ZX215-1005034
G
H
I
J
K
L
M
7-13
Troubleshooting
CN-307M CN-306M
CN-132F
CN-305M
CN-304M
9
CN-303M
CN-104M
CN-302
CN-131M
8
CN-301M
7
6
5
CN-7-705
4
CN-7-707
3
2
1
ZX215-1005035
N
O
P
Q
R
S
T
7-14
Troubleshooting
CN-1-111
CN-161M
CN-661F
CN-152M
CN-1-112
T-201
T-202
CN-241M
K5
CN-121F
K6
K10
CN-142M
K3
K7
K8
CN-613F
CN-615F
CN-616F
KH
CN-412F
CN-204F
PF021
CN-207F
CN-107M
CN-106F
ZX215-1005036
T
U
V
W
X
Y
Z
7-15
Troubleshooting
CN-1-002M
9
CN-1-005
CN-1-001M
8
CN-1-103M
7
6
5
CN-1-004M
4
CN-1-110
3
2
CN-150M
1
ZX215-1005037
AA
AB
AC
AD
AE
AF
7-17
Troubleshooting
7.3.2
Electrical element circuit diagram (cab circuit)
PF021
CN-1-112
F1
CANH
(D-3)
22
20 A
20
1
1
120ȍ resistance
F3
5A
CANL
2
2
23
CN-616F
CANH
(D-12)
CN-7-705
F4
15A
3
3
3
24
Ground
1
CANL
4
4
4
F5
5A
29
8
8
8
25
2
(D-8)
CN-1-111
22
9
9
9
21
3
1
1
0
10
10
10
26
F7
10A
24Vpower
4
2
2
12
12
12
5
3
3
CN-142M
CN-131M
CN-302F
5A
50
(D-12)
(D-12)
50
(A-3)
50
28
F9
9
6
1
1
50
1
1
1
1
1
7
5062
2
506
2
2
506
2
2
506
2
F10
5A
8
00 3
3
00
3
3
00
3
3
00
3
29
9
4
4
20 A
5
5
42
F11
10
6
6
11
43
F14
10A
12
CN-412F
AIN16
13
(A-3)
49
F15
15A
14
CAN+
1
1
15
B
2
2
10A
16
CAN-
3
3
70
F17
GPS
CN-121F
17
0
(D-12)
18
1
1
8
19
43
2
2
2
2
CN-204F
4
4
20
(A-2)
5
5
21
9
9
22
10
10
11
11
1
3
4 5
8 9 10 1112
23
12
12
CN-241M
24
(D-12)
1
3
4 5
8 9 10 11 12
25
26
27
28
29
30
31
32
33
Fuel control knob voltage
34
35
7
36
37
38
39
40
41
42
43
44
45
46
47
48
49
6
50
51
52
53
s GND
54
00
28
X-1
s GND
55
00
s PWR
56
50
57
CAN-
70
X-2
58
59
CAN+
60
61
62
CN-132F
63
(D-12)
5
64
1
1
65
2
2
33
X-3
66
3
3
24
X-4
67
4
4
25
X-5
68
5
5
69
37
X-6
70
12
12
71
36
X-7
72
s GND
73
00
s PWR
74
50
35 L
X-8
75
50
s PWR
CAN+
72
X-9
76
CAN-
CAN+
77
CAN-
78
35 H
X-10
4
79
80
23
X-11
81
X-12
CN-615F
82
X-13
83
84
85
X-14
86
87
88
89
90
23
31
3
91
92
Top lamp switch
21
93
20
Horn switch
94
CN-104M
95
70
72
96
97
CN-307M
98
99
TERMINAL BRACCR1
R2
C
100
Work lamp switch
HEAT
OFF
Start switch
101
ON
102
START
103
24
33
22
13
2
104
105
CN-303M
106
107
Washer switch
108
2211
11
109
Stabilized voltage diode
25
37
13
13
110
CN-152M
CN-153M
9
9
111
1
2
1
2
CN-305M
CN-332M
112
S-6
113
0
0
42
0
42
Wiper switch
Ground
114
115
0
36
Ground
116
25
117
35 L
1
2
3
4
5
118
1
2
24V power supply
119
42
35 H
1
2
3
45
1
24V power supply
120
42
KB
121
CN-304M
Battery relay
+
-
+
-
122
Chassis GND
ZX215-1005038
A
B
C
D
E
F
7-18
Troubleshooting
★ This circuit diagram has been compiled by extracting the wiper system and each switch control system
from the overall electrical circuit diagram.
Access lamp
28
Horn relay
Lamp relay
Top lamp relay
9
K5
K6
K8
1
2
3
4 5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4 5
1
2
3
4 5
31
0
23
32
33
0
24
34
72
0
70
71
0
8
CN-1-110
(D-6)
Wiper
0
1
1
X-1
25
2
2
CN-161F
36
(S-16)
3
3
X-2
M
1
35H
4
1
4
7
3
3
4
4
5
5
35 L
5
5
6
6
X-3
7
7
8
8
X-4
X-5
X-6
6
CN-112M
X-7
(A-2)
Washer motor
1
1
0
X-8
2
2
37
M
X-9
X-10
Right top lamp
X-11
1
1
0
5
X-12
2
2
71
X-13
Left top lamp
1
1
0
X-14
2
2
71
CN-150M
(S-8)
F-104
R+
R+
1
(W-1)
R-
1
R-
Horn
2
2
1
1
4
L+
3
3
L+
CN-661F
L-
4
4
L-
0
0
(S-12)
5
5
32
F-103
71
71
3
3
6
6
34
(W-1)
4
4
0
7
0
7
1
1
26
8
8
26
F6
21
20 b
CN-102M
Rotating stage
(A-2)
0
0
work lamp
3
F8
1
1
21
38
34
2
2
34
20 b
CN-102M
Left boom
R+
1
(A-2)
0
work lamp
L+
2
1
1
3
2
2
34
0
4
20 b
CN-102M
5
Right boom
R-
(A-2)
6
0
work lamp
L-
1
1
7
2
2
34
2
CN-107M
Radio panel
Right speaker
Compressor clutch
57
1
61 a
Left speaker
0
57
4
60 a
1
2
5
0
6
0
0
Cab lamp
CN-109M
38
1
1
7
26
38
2
2
26
8
CN-207F
CN-442F
CN-7-111
Air conditioner panel
(S-12)
(S-8)
1
60a
4
4
7
7
60a
61a
61a
Ex air sensor
8
8
8
8
ZX215-1005039
G
H
I
J
K
L
7-19
Troubleshooting
7.3.3 Electrical control circuit diagram (engine circuit)
CN-332M
T-102
S-6
TERMINAL
B BRACCR1
R2 C
CN-616F
T-119
T-110
22
11
11
22
HEAT
Body ground
CN-241F
13
OFF
1
(D-12)
9
9
13
ON
0
20
START
Grounding
2
1
1
22
11
8
8
11
3
-
+
-
+
221316
11
2
2
10
4
42
20
F1
20A
22
Controller power supply
5
209
9
F2
5A10
6
2111
11
21
7
PF021
9
8
9
CN-152M CN-153M
10
1
2
1
2
11
12
0
42
0
42
13
14
506
Throttle position feedback
15
16
17
18
19
20
-1
21
21
22
8
23
24
25
26
-2
27
10
28
29
30
21
-3
31
32
33
34
35
13
-4
36
37
7
38
39
40
-5
41
18
42
43
44
45
22
-6
46
47
48
49
50
12
-7
6
51
52
53
54
00
00
55
50
-8
5V power supply
0
57
58
59
606
-9
60
61
62
50
- 10
63
64
65
5
66
507
- 11
67
68
- 12
69
MT+
70
71
- 13
72
00
00
73
50
5V power supply
74
MT-
- 14
5V power supply
75
50
76
77
F16
CN-221M
78
79
1
1
80
4
81
CN-615F
82
CN-161F
105
27
83
1212
84
85
1414
86
Pilot switch
87
88
89
90
91
92
3
93
94
95
96
97
98
99
100
101
102
103
104
MT+
Throttle motor output signal+ 105
106
107
2
108
109
110
111
112
MT-
7
7
113
Grounding
0
114
0
CN-331F
Grounding
115
116
117
21
0
105
11
12
118
CN-241F
F11
21
T-102
T-101 T-103
T-104
24V power supply19
42
1
2
3
45
Preheat switch
1
2
3
4
5
42
4
1
2
3 45
24V power supply20
1
2
1
2
3
4
5
K3
1
2
3 45
121
1
2
3
4
5
1
122
KB
16
18
Battery relay
Pilot valve relay
CN-306M
Locking relay
ZX215-1005040
A
B
C
D
E
F
G
7-20
Troubleshooting
★ This circuit diagram has been compiled by extracting the engine preheat system, startup system and
governor system from the overall electrical circuit diagram.
T-112
17
Preheat relay
Parking relay
KH
1
2
3
4
5
K7
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
F13
160A
0
18
16
17
T-108
T-109
0
13
64 6365
9
7
7
17
Preheater
9
9
14
CN-661M
101212
10
(S-16)
CN-442F
Preheater indicator
1515
(D-12)
17
1
1
0
2 2
22
8
CN-121F
CN-661F
CN-801F
64
B
(D-12)
(S-16)
(H-6)
63
-1
21
5
5
606
22
65
P2A
1
1
1
1
P1
64
E
65
2
2
Parking motor
-2
10
6
6
63
0
12
3
3
0
-3
7
7
4
4
21
63
65
9
9
6
6
-4
13
64
10
10
-5
18
7
-6
22
-7
12
-8
0
CN-613F
12 a
1
1
-9
606
14
2
2
14
12a SL
10
10
RSafety relay
3
3
47
P
6
- 10
50
47
0
4
4
0
6
6
- 11
507
- 12
MT-
- 13
00
5
- 14
MT+
10
14 R
21 L
47 B
P
E
0
Generator
Body ground
4
CN-112M
1
2
CN-111F
12 a
12
1
1
12
2
2
12 a
21
E
0
3
Starting motor
A3
Body ground
F-310
Charging indicator
10
1 1
14
2
2
F-311
Connector 282080-1
CN-316F(AMP-2)
1
2
0
1
1
2
606
2
2
Pilot solenoid valve
M13
(S-6)
50
1
1
507
1
2
2
2
Throttle motor
MT-
3
3
3
5
AC-2000
00
6
5
5
MT+
1
6
6
ZX215-1005041
G
H
I
J
K
L
M
7-21
Troubleshooting
7.3.4 Electrical control circuit diagram (sensor and solenoid valve circuit)
CN-101M
(S-1)
509
CN-616F
1
1
Fuel level sensor
CN-448M
1
(S-2)
Grounding
2
108A
1
1
3
Engine speed sensor
4
108B
2
2
Controller power supply
5
9
6
CN-113M
7
(A-2)
8
511
1
1
9
Hydraulic oil temp. sensor
10
42
2
2
Oil level sensor
11
CN-152M
12
(A-2)
13
0
14
1
1
240୸
15
511
2
2
w1/4
F-108
16
(W-1)
17
510
18
Coolant temp. sensor
Speed sensor GND
19
508
8
20
Oil pressure switch
21
0
22
23
CN-121M(DF-3)
24
50
A
25
A
26
0
B
B
Right travel pilot
27
201
C
C
pressure sensor
28
CN-120M
29
(DF-3)
Coolant temp. sensor
50
A
A
Hydraulic oil temp. sensor
3031
0
B
B
Left travel pilot
32
200
C
C
pressure sensor
33
34
CN-123M(DF-3)
35
50
7
A
A
36
0
Swing pilot
37
B
B
208
C
pressure sensor
Pulse input
38
C
39
CN-124M
40
(DF-3)
41
50
A
A
42
0
B
B
Bucket curl pilot
43
205
C
C
pressure sensor
44
45
CN-127M
46
(DF-3)
50
A
A
47
0
Oil pressure switch
48
B
B
Bucket dump pilot
Travel sensor (left)
204
C
C
pressure sensor
6
49
Bucket dump sensor
50
CN-125M
Boom lower sensor
51
(DF-3)
Arm out sensor
52
50
A
A
Rear pump main pressure sensor
53
0
B
B
Boom lower pilot
s GND
54
207
C
C
pressure sensor
s GND
55
s PWR
56
CN-126M
57
(DF-3)
50
A
A
58
Boom raise pilot
59
0
B
B
60
206
C
C
pressure sensor
61
CN-128M
62
(DF-3)
63
50
A
A
5
64
0
B
B
Arm in pilot
65
203
C
pressure sensor
66
C
Travel sensor (right)
67
CN-122M
Swing sensor
68
(DF-3)
Bucket curl sensor
69
50
A
A
Boom raise sensor
70
0
B
B
Arm out
Arm in sensor
71
202
C
C
pressure sensor
Front pump main pressure sensor
72
CN-115M
5V power supply GND
73
(DF-3)
5V power supply GND
74
50
5V power supply GND
75
A
A
0
B
Front pump
76
B
pressure sensor
77
501
C
C
4
78
CN-116M
79
(DF-3)
80
50
A
A
81
0
B
B
Rear pump
CN-615F
502
C
C
pressure sensor
Hi/Lo speed travel
CN-133F
82
608
(AMP-2)
83
1
1
Swing priority-A4
84
0
2
2
proportional
85
solenoid valve
86
CN-134F
87
604
1
1
(AMP-2)
Bucket confluent-A5
Front pump solenoid proportional valve
88
0
2
2
proportional
Rear pump solenoid proportional valve
89
solenoid valve
90
CN-132F
3
91
(AMP-2)
92
602
1
1
Boom priority 1-A4
0
2
2
proportional
93
solenoid valve
94
CN-135F
95
(AMP-2)
96
603
1
1
Boom priority 2-A4
97
0
2
2
proportional
Swing priority solenoid valve
98
solenoid valve
Bucket confluent valve
99
Boom priority 1
100
Boom priority 2
101
102
103
104
105
2
106
107
108
109
CN-113F
110
(AMP-2)
111
112
702
1
1
Front pump
113
0
2
2
proportional
Grounding
114
solenoid valve
Grounding
115
(AMP-2)
CN-114F
116
703
1
1
Rear pump
117
proportional
118
0
2
2
solenoid valve
24V power supply
119
CN-131F
1
24V power supply
120
(AMP-2)
121
24V power supply
607
1
1
Hi/Lo speed travel
122
0
2
2
solenoid valve
ZX215-1005042
A
B
C
D
E
F
G
7-22
Troubleshooting
7.3.5 SWP type connector
Male (Plug)
Female (Socket)
7222-7414-40
7123-7414-40 (No.of pin: 1)
7222-1424-40
7123-1424-40 (No.of pin: 2)
7222-7464-40
7123-7464-40 (No.of pin: 6)
7222-7484-40
7123-7484-40 (No.of pin: 8)
7222-7564-40
7123-7564-40 (No.of pin: 16)
7-23
Troubleshooting
7.3.6 A/AMP type connector
Male (Plug)
Female (Socket)
282104-1
282080-1 (No.of pin: 2)
282105-1
282087-1 (No.of pin: 3)
174354-2
174352-2 (No.of pin: 2)
1473255-1 (No.of pin: 40)
1473252-1
1473244-1
1473247-1 (No.of pin: 81)
7-24
Troubleshooting
7.3.7 DT type connector
Shell (Plug)
Shell (Socket)
A
B
B
A
DT06-2S
DT04-2P
A
B
A
B
C
C
DT06-3S
DT04-3P (No.of pin: 3)
1
6
6
1
2
5
5
2
4
3
3
4
DT06-6S
DT04-6P (No.of pin: 6)
5
8
8
5
1
4
4
1
DT06-8S
DT04-8P (No.of pin: 8)
12
7
7
12
1
1
6
6
DT06-12S
DT04-12P (No.of pin: 12)
7-25
Troubleshooting
7.4 Failure Symptoms and Troubleshooting Codes
Troubleshooting
No.
Symptom
Code
E mode
H mode
(Engine)
Action to be taken concerning Service Code, User Code and Failure Code
1
Display User Code in monitor panel
Display Service Code in electrical system after checking
According
2
failure history
to displayed
Display Failure Code in mechanical system after checking
code
3
failure history
Engine-related failure
Engine does not start up easily. (It always takes some
4
S-1
time to start up the engine)
5
Engine misfires.
E-1
S-2
6
Color of exhaust gas is too dark.(Incomplete combustion)
S-3
7
Engine pickup is poor.
S-4
8
Engine runs rough or is unstable.
E-2
S-5
9
Engine is short of output, or lacks power
H-2
S-6
10
Auto Idle fails.
E-4
H-5
Excessive engine oil consumption, or color of exhaust gas
11
S-7
is blue
12
Premature engine oil contamination
S-8
13
Excessive fuel consumption
S-9
Engine cooling water is mixed with engine oil, spurts out
14
S-10
or decreases
15
Engine oil amount increases. (Water or fuel gets in)
S-11
16
Abnormal noises are heard
S-12
17
Excessive vibrations are caused
S-13
Failure related to work equipment, swing and travel
18
Power supply of machine cannot be cut off.
E-3
19
There are abnormal noises from around hydraulic pump
H-4
20
All work equipment, travel and swing do not move
H-3
21
Speeds of all work equipment, travel and swing are slow
H-1
S-6
When Machine Swings and Travels Simultaneously,
22
H-13
Travel Speed Lowers Largely
Work equipment-related failure
23
All the equipment do not work
E-6
24
Cylinder do not work singly
H-9
25
Drift of cylinder is too large
H-10
26
Work equipment time lag is too big
H-11
7-26
Troubleshooting
Troubleshooting
No.
Symptom
Code
E mode
H mode
(Engine)
Other work equipment moves, when specific work equip-
27
H-12
ment is relieved
28
Boom-up speed or power is low.
E-7
H-6
29
Arm speed or power is low.
E-8
H-7
30
Bucket speed or power is low.
E-9
H-8
Travel-related failure
31
Travel speed or power is low.
E-10
H-15
32
Dual Speed Travel Not Functioning
E-13
33
Machine tends to swerve while in travel
H-14
34
Machine is difficult to steer, or lacks power
H-16
35
Travel speed cannot be shifted
H-17
36
Track shoe does not move (only on one side)
H-18
Swing-related failure
37
Machine does not swing
H-19
38
Swing acceleration is poor, or swing speed is slow
H-20
Upper structure overruns remarkably when stopping
39
H-21
swinging
40
Large shock is made when stopping swinging
H-22
41
Large sound is made when stopping swinging
H-23
42
Hydraulic drift of swing is large
H-24
Monitor panel-related failure
43
Monitor display is blank.
E-11
44
Monitor displays nothing.
E-12
45
Engine coolant temperature reading is incorrect.
E-14
46
Fuel level reading is incorrect.
E-15
47
Arm-in pilot pressure reading is incorrect.
E-17
48
Arm-out pilot pressure reading is incorrect.
E-18
49
Boom-up pilot pressure reading is incorrect.
E-19
50
Boom-down pilot pressure reading is incorrect.
E-20
51
Bucket-close pilot pressure reading is incorrect.
E-21
52
Bucket-open pilot pressure reading is incorrect.
E-22
53
Swing pilot pressure reading is incorrect.
E-23
54
Left travel pilot pressure reading is incorrect.
E-24
55
Right travel pilot pressure reading is incorrect.
E-25
Other failure
56
Preheating function fails.
E-5
57
Wiper does not work.
E-16
7-27
Troubleshooting
7.5 Troubleshooting with an Event Code
Information in troubleshooting table
7-29
E111 (controller memory failure (FROM))
7-30
E212 (throttle motor current & motor connection abnormal)
7-31
E213 (throttle motor operation suspends)
7-32
E214 (throttle motor working range abnormal)
7-33
E015 (power supply voltage abnormal)
7-34
E116 (controller internal temperature abnormal)
7-35
E017 (abnormal output of 5v power supply in sensor)
7-36
E118 (abnormal communication between controller and monitor)
7-37
E320 (abnormality in front pump output pressure)
7-38
E321 (abnormality in rear pump output pressure)
7-39
E322 (abnormality in arm-in pilot pressure)
7-40
E323 (abnormality in arm-out pilot pressure)
7-41
E324 (abnormality in boom-raise pilot pressure)
7-42
E325 (abnormality in boom-lower pilot pressure)
7-43
E326 (abnormality in bucket-curl pilot pressure)
7-44
E327 (abnormality in bucket-dump pilot pressure)
7-45
E328 (abnormality in swing pilot pressure
7-46
E329 (abnormality in left travel pilot pressure)
7-47
E330 (abnormality in right travel pilot pressure)
7-48
E231 (abnormality in fuel control dial set voltage)
7-49
E237 (abnormality in hydraulic oil temperature)
7-50
E541 (abnormality in engine speed)
7-51
E450 (abnormality (a) in front pump proportional solenoid coil current)
7-52
E450 (abnormality (b) in front pump proportional solenoid coil current)
7-53
E451 (abnormality (a) in rear pump proportional solenoid coil current)
7-54
E451 (abnormality (B) in rear pump proportional solenoid coil current)
7-55
E452 (abnormality (A) in swing priority proportional solenoid coil current)
7-56
E452 (abnormality (B) in swing priority proportional solenoid coil current)
7-57
E453 (abnormality (A) in bucket confluence proportional solenoid coil current)
7-58
E453 (abnormality (B) in bucket confluence proportional solenoid coil current)
7-59
E455 (abnormality (A) in boom priority 2 proportional solenoid coil current)
7-60
E455 (abnormality (B) in boom priority 2 proportional solenoid coil current)
7-61
E460 (abnormality in dual speed travel solenoid valve)
7-62
7-28
Troubleshooting
Information in troubleshooting table
User Code
Service Code
Trouble
Title of failure shown in failure history
Display on monitor
—
Failure description
Failure is described on the monitor display.
When failure is detected, the controller has taken action to protect the affected
Response from controller
system or equipment.
Symptom of machine
Symptom that is shown on the machine due to action of controller.
Cause
Standard value in normal state and remarks on troubleshooting
1
2
<Inclusion>
Ɣ Standard value under normal condition can be used to judge pos-
3
sible causes
4
Possible causes
Ɣ Reference for passing the above "Good" or "No Good" judgement
of trouble (Given
numbers are ref-
<Symptom of Wiring Harness Failure>
erence numbers,
Ɣ Open circuit
which do not indi-
Faulty contact with connector or open circuit in wiring harness
cate priority)
5
Ɣ Faulty grounding
An ungrounded wiring is grounded.
Ɣ Short circuit
A wiring has mistaken contact with a 24 V electric circuit.
Related circuit diagram
This is part of the circuit diagram which shows the portion where the failure occurred.
Ɣ Connector No.: A connector number Indicates a connector.
Ɣ Arrow: An arrow roughly indicates the installing location.
7-29
Troubleshooting
E111 (controller memory failure (FROM))
User Code
Service Code
Trouble
Controller memory fails and the system slows down.
11
E111
When the power is on, abnormality is detected by checking through FROM sum-
Failure description
mation and RAM verification.
Response from controller
Stop the operation of motor and solenoid coil.
Symptom of machine
Engine acceleration fails and the machine acts slowly. .
Cause
Standard value in normal state/Remarks on troubleshooting
1
Internal failure
No troubleshooting can be done for failure occurs in the inner of controller. (If
of controller
this failure occurs, replace the controller.)
2
3
4
5
7-30

 

 

 

 

 

 

 

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