SANY LATIN AMERICA
Troubleshooting
SY195/205/215/225C9 Crawler Hydraulic Excavator
Troubleshooting
Shop Manual - June 2013
7-1
7 Troubleshooting
7.1 Points to Remember When Troubleshooting ........................................................... 7-3
7.2 Troubleshooting Procedures .................................................................................... 7-5
7.3 Connector Location and Electrical Circuit Diagram ................................................. 7-8
7.3.1 Connector location layout ............................................................................ 7-12
7.3.2 Electrical element circuit diagram (cab circuit)............................................. 7-18
7.3.3 Electrical control circuit diagram (engine circuit).......................................... 7-20
7.3.4 Electrical control circuit diagram (sensor and solenoid valve circuit) ........... 7-22
7.3.5 SWP type connector .................................................................................... 7-23
7.3.6 A/AMP type connector ................................................................................. 7-24
7.3.7 DT type connector ....................................................................................... 7-25
7.4 Failure Symptoms and Troubleshooting Codes ..................................................... 7-26
7.5 Troubleshooting with an Event Code ..................................................................... 7-28
7.6 Troubleshooting of Electrical System (E - Mode)................................................... 7-63
7.7 Troubleshooting of Hydraulic and Mechanical Systems (H - Mode) ...................... 7-93
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