HGMS62 Split Type Genset Controller User Manual Page 58 of 58
15
FAULT FINDING
Table 47 – Fault Finding
Symptoms
Possible Solutions
Controller NO Operation
Check starting battery;
Check connections of controller;
Check the DC fuse.
Genset Shutdown
Check if water/cylinder temperature too high.
Check alternator voltage.
Check the DC fuse.
Emergency Stop
Check if an emergency stop button is fitted;
Ensure battery positive is connected to the emergency stop
input;
Check if connection is open circuit.
Low Oil Pressure Alarm (After
Crank Disconnect)
Check oil pressure sensor and connections.
High Temp. Alarm (After Crank
Disconnect)
Check temperature sensor and connections.
Shutdown Alarm During Running
Check switch and connections according to information on LCD;
Check auxiliary inputs.
Crank Disconnect Failure
Check fuel circuit and its connections.
Check starting battery.
Check speed sensor and its connections;
Refer to engine manual.
Starter NO Operation
Check connections of starter;
Check starting battery.
Genset Running While ATS Not
Transfer
Check ATS;
Check connections between ATS and controller.
RS485 Failure
Check connections;
Check if COM port is correct;
Check if A and B of RS485 is connected reversely;
Check if PC COM port is damaged;
120Ω resistance between RS485’s A and B is recommended.
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