SANY LATIN AMERICA
7-37
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
User Code
Service Code
Trouble
Abnormal communication between controller and
monitor
18
E118
Failure description
Communication of monitor is interrupted for 5 consecutive times when the
power is on.
Response from controller Only output alarm is enabled.
Symptom of machine
—
Possible causes and standard value in normal
state
Cause
Standard value in normal state/Remarks on troubleshooting
1
Failure of CAN
resistance
●
Turn engine start switch to OFF position. Keep it at OFF position to per-
form troubleshooting.
Between CN-7-709
①
and
②
Resistance
60
Ω
2
Open circuit of
harness
●
Turn engine start switch to OFF position. Keep it at OFF position to per-
form troubleshooting.
Unplug the controller and measure the resistance
between pin 60 and CN-7-705
③
Resistance
≤
1
Ω
Unplug the controller and measure the resistance
between pin 78 and CN-7-705
④
≤
1
Ω
3
Internal failure
of controller
No troubleshooting can be done for failure occurs in the inner of controller.
(Except for the above reasons, the controller must be replaced in case of
failure.)
4
60
78
CN-7-709
CN-7-705
CN-1-111
CN-441
3
4
8
9
10
12
3
4
8
9
10
12
3
4
8
9
10
12
29
29
20
21
22
22
0
1
1
2
3
3
1
3
1
2
3
F1
20A
F10 5A
CANH
CANH
CANH
CANL
CANL
CANL
1
2
1
2
ZX215-1005073
MONITOR
CAB
CHASSIS HARNESS
CONTROLLER
120
ȍ
RESISTANCE
PWR
PWR
E118 (abnormal communication between controller and monitor)
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