HGM400 Series Genset Controller User Manual
HGM400 Series Genset Controller ISSUE 2015-05-27 Version 1.6 Page 44 of 44
please disconnect controller’s all terminal connections, in order to prevent high
voltage into controller and damage it.
13 FAULT FINDING
Controller no response
with power.
Check starting batteries;
Check controller connection wirings;
Check DC fuse.
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 During
Running
Check related switch and its connections according to
the information on LCD;
Check auxiliary inputs.
Check fuel circuit and its connections;
Check starting batteries;
Check speed sensor and its connections;
Refer to engine manual.
Check starter connections;
Check starting batteries.
Genset running while ATS
not transfer
Check ATS;
Check the connections between ATS and controllers.
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