HGM6100U Series Automatic Control Module
HGM6100U Automatic Genset Controller ISSUE 2014-10-28 Version 1.2 Page 39 of 39
13 FAULT FINDING
Symptoms
Possible Solutions
Controller Inoperative
Check starting battery;
Check connections of controller.
Check the DC fuse.
Genset Stops
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 Failed
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;
120
Ω
resistance between PR485 and AB is
Recommended.