HGMS61 Genset Controller User Manual Page 47 of 47
14
FAULT FINDING
Table 45– Fault Finding
Symptoms
Possible Solutions
Controller Inoperative
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 configurable inputs.
Crank Disconnect Failure
Check connections of fuel solenoid.
Check starting battery.
Check speed sensor and its connections;
Refer to engine manual.
Starter Inoperative
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 and AB is Recommended.
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