SANY LATIN AMERICA
7-34
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
User Code
Service Code
Trouble Power supply voltage is abnormal.
15
E015
Failure description
Voltage of power supply is above 36V when the machine is running.
Response from controller The system stops the motor and solenoid valve automatically.
Symptom of machine
Engine acceleration fails and the machine acts slowly.
Possible causes and standard value in
normal state
Cause
Standard value in normal state/Remarks on troubleshooting
1
Failure of
power sup-
ply
●
Turn engine start switch to OFF position. Keep it at OFF position to perform
troubleshooting.
Measure battery voltage
Voltage
≤
25V
2
Alternator
abnormal
●
Turn engine start switch to OFF position. And Then, keep the engine running
to perform troubleshooting.
Measure the voltage between the alternator terminal
B and ground.
Voltage
About 28V
3
4
E015 (power supply voltage abnormal)
-
+
-
+
1
2
CN-800M
F-107
1
2
3
4
5
6
CN-613
TERMINAL
HEAT
OFF
ON
START
B
BR ACC R1 R2 C
L
R
S
P
E
R
G
L
P
0
0
E
B
ZX215-1005072
START SWITCH
SAFETY RELAY
BATTERY RELAY
ALTERNATOR
CAB
CHASSIS HARNESS
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