SANY LATIN AMERICA
4-187
SY195/205/215/225C9 Crawler Hydraulic Excavator
Structure and Function
Shop Manual - June 2013
Function
●
When engine coolant temperature be-
comes excessively high (above 110°C)
during operation, overheating alarm will be
displayed on the monitor screen.
Operation
●
The controller collects signal from the cool-
ant temperature sensor. When coolant
temperature rises too high, alarming infor-
mation will be generated and transmitted
to the machine monitor.
Operating condition
●
Power ON.
●
Coolant temperature above 110°C.
4.9.7.2 Engine overheating alarm
Function
●
The engine controller collects signal from
the engine oil pressure sensor. When en-
gine speed exceeds 600 rpm, if oil pres-
sure is too low, alarming information will be
generated and transmitted to the machine
monitor. The alarm indicator lights up when
the monitor receives the signal.
4.9.8 Engine oil under
–
pressure alarm
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