Troubleshooting - Smartgen HGM8140 User Manual

For this connection crossover cable must be used.
Crossover cable: EIA/TIA 568A standard on one end and EIA/TIA 568B on the other end.
NOTE: If PC network port has Auto MDI/MDIX function, parallel cable can also be used.
2) Controller and PC connection via switchboard (or router).
Parallel lines must be used.
Parallel cable: EIA/TIA 568A standard on both ends or EIA/TIA 568B standard on both ends.
NOTE: If switchboard (or router) network port has Auto MDI/MDIX function, crossover cable can also
be used.

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 1.0
Possible Solutions
2016-12-07 Page 52 of 54