HSC960 Genset Controller User Manual
HSC960 Genset Controller Version:1.0 2015-05-21 Page 37 of 37
16
FAULT FINDING
Table 14-
fault finding
Symptoms
Possible Solutions
Controller no response with power.
Check starting batteries;
Check controller connection wirings;
Check DC fuse.
Genset shutdown
Check the water/cylinder temperature is too high or not;
Check the genset AC voltage;
Check DC fuse.
Low oil pressure alarm after crank
disconnect
Check the oil pressure sensor and its connections.
High water temp. alarm after crank
disconnect
Check the temperature sensor and its connections.
Shutdown Alarm in running
Check related switch and its connections according to the
information on LCD;
Check auxiliary input ports.
Fail to start
Check fuel oil circuit and its connections;
Check starting batteries;
Check speed sensor and its connections;
Refer to engine manual.
Starter no response
Check starter connections;
Check starting batteries.
DC Motor Reverse
Cross the connections of throttle and DC motor.
GOV is out of control.
Check the speed sensor voltage is no less than 2V when
cranking.
Check the connections of throttles.
Switch no action (Genset OK)
Check the switch.
Check the connections of controller and switch.
RS485 Communication Fail
Check the connections.
Check the setting of COM.
Check the wire A and wire B of RS485 is reverse or not.
Check the communication port of PC is broke or not.
Adding a 120Ω resistance between port A and B of RS485
of controller is commanded.
_________________________________
