SANY LATIN AMERICA
7-72
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
E-6 Work equipment does not work
Trouble
The machine is motionless while operated after starting.
Related information
Possible causes and standard value in normal
state
Cause
Standard value in normal state/Remarks on troubleshooting
1
Failure of lockout
switch
●
Turn engine start switch to OFF position. Start the engine and keep it
running to perform troubleshooting.
Item
Lockout control lever
Resistance
Between wire 105# and wire 27#
LOCK
≤
1
Ω
FREE
≥
1M
Ω
2
Short circuit of
wire harness
(grounded)
●
Turn engine start switch to OFF position. Keep it at OFF position to per-
form troubleshooting.
Between 105# and ground
Resistance
≥
1M
Ω
3
Failure of coil
inside lockout
solenoid valve
●
Turn engine start switch to OFF position. Keep it at OFF position to per-
form troubleshooting.
Between CN-136F 1 and 2
Resistance
About 34
Ω
4
105
CN-661F
1
1
0
2
105
606
27
3 4 5
1
2
3 4 5
8
1
8
1
2
1
2
27
(
S-16
)
CN-161F
(S-16)
CN-136F
(
AMP-2
)
CN-106F
(
AMP-2
)
1
2
2
10
12
2
10
12
1
2
27
F16 10A
21
B-
ZX215-1005098
PILOT SWITCH
PILOT SOLENOID VALVE
CHASSIS HARNESS
CAB
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