HGM1790N Genset Controller User Manual Page 31 of 31
13. FAULT FINDING
Table 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 in running
Check related switch and its connections according to the
information on LCD;
Check programmable 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.
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