Troubleshooting - Smartgen HGM8140D User Manual

15 TROUBLESHOOTING

Symptoms
Controller no response with
power.
Genset shutdown
Controller emergency stop
Low oil pressure alarm after
crank disconnect
High water temp. alarm after
crank disconnect
Shutdown Alarm in running
Crank not disconnect
Starter no response
Genset running while ATS not
transfer
RS485 communication
abnormal
HGM8140 Military Genset Controller
HGM8140 MILITARY GENSET CONTROLLER USER MANUAL
Table 46 Troubleshooting
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.
Check whether emergency stop button function is correct or not;
Check whether positive pole of starter battery is connect to emergency
stop input or not;
Check whether wire connection is open circuit or not.
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 programmable inputs.
Check fuel oil 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.
Check connections;
Check setting of COM port is correct or not;
Check RS485‟s connections of A and B is reverse connect or not;
is
Check RS485 transfer model whether damage or not;
Check communication port of PC whether damage.
Put 120Ω between A and B of controller RS485 port is recommended.
_________________________________
Version 1.2
Possible Solutions
2019-09-12 Page 56 of 56