SANY LATIN AMERICA
1-15
SY195/205/215/225C9 Crawler Hydraulic Excavator
Introduction
Shop Manual - June 2013
5. Points to remember when troubleshoot-
ing electric circuits
1) Always turn the power OFF before discon-
necting or connecting connectors.
2) Before carrying out troubleshooting, check
that all the related connectors are properly
inserted.
NOTE: Disconnect and connect the related
connectors several times to check.
3) Always connect any disconnected connec-
tors before going on to the next step.
NOTE: If the power is turned ON with the
connectors still disconnected, unnecessary
abnormality displays will be generated.
4) When carrying out troubleshooting of cir-
cuits (measuring the voltage, resistance,
continuity, or current), move the related
wiring and connectors several times and
check that there is no change in the read-
ing of the tester.
NOTE: If there is any change, there is
probably defective contact in that circuit.
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