SANY LATIN AMERICA
7-80
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
E-13 Dual speed travel not functioning
Trouble
Only low speed travel is functioning during operation.
Related information
Press the Hi/Lo button on the monitor to change travel speed.
Possible causes and standard value in
normal state
Cause
Standard value in normal state/Remarks on troubleshooting
1
Failure of dual
speed travel
solenoid valve
●
Turn engine start switch to OFF position. Keep it at OFF position to perform
troubleshooting.
Between CN-131F A and B
Resistance
About 17.5
Ω
2
Open circuit of
wire harness
●
Turn engine start switch to OFF position. Keep it at OFF position to perform
troubleshooting.
Between CN-132F pin A and controller pin 100
Resistance
≤
1
Ω
Between CN-132F pin B and controller pin 55
≤
1
Ω
3
Short circuit of
wire harness
(grounded)
●
Turn engine start switch to OFF position. Keep it at OFF position to perform
troubleshooting.
Between harness (from CN-132F pin A to con-
troller pin (100) and ground
Resistance
≥
1M
Ω
4
100
55
B
A
(
AMP-2
)
CN-132F
ZX215-1005104
GND WIRE
HIGH SPEED TRAVEL
SOLENOID VALVE
GROUND
CONTROLLER
SIGNAL
CAB
CHASSIS HARNESS
HIGH SPEED TRAVEL
SOLENOID VALVE
https://www.tractormanualpdf.info/