Fault Finding - Smartgen HGM400N Series User Manual

13 FAULT FINDING

Symptom
Controller no response
power.
Genset shutdown
Low oil pressure alarm after crank
disconnect
High water temp. alarm after crank
disconnect
Shutdown Alarm During Running
Fail to Start
Starter no response
Genset running while ATS not
transfer
HGM400N Series Genset Controller
HGM400N Series Genset Controller User Manual
Check starting batteries;
with
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.
Check the oil pressure sensor and its connections.
Check the temperature sensor and its connections.
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.
Check ATS;
Check the connections between ATS and controllers.
2017-04-21
Possible Remedy
Version 1.2 Page 36 of 36