Smartgen ALC404 - 13 Troubleshooting

ALC404 LIGHTING TOWER CONTROLLER USER MANUAL
ALC404 Lighting Tower Controller 2018-11-06 Version 1.1 Page 83 of 83
transformer and input voltage must correct. Otherwise, the current of collecting and active power maybe not
correct.
NOTE:
a) ICOM port must be connected to negative pole of battery.
b) When there is load current, transformer’s secondary side prohibit open circuit.
DC Current Input: Current input of ALC404 controller must be external connected to DC Hall sensor
with output current 4~20mA.
Withstand Voltage Test: When controller had been installed in control panel, if need the high voltage
test, please disconnect controller’s all terminal connections, in order to prevent high voltage into controller
and damage it.
13 TROUBLESHOOTING
Here are the common faults and troubleshooting. If there is any other problem, please feel free to contact
SmartGen’s service.
Symptoms
Possible Solutions
Controller no response with
power.
Check starting batteries;
Check controller connection wirings;
Check DC fuse.
Light tower set shutdown
Check whether the water/cylinder temperature is too high or not;
Check the generator AC voltage;
Check DC fuse.
Controller emergency stop
Check emergence stop button is correct or not;
Check whether the starting battery positive be connected with the
emergency stop input;
Check whether the circuit is open circuit.
Low oil pressure alarm after
crank disconnect
Check the oil pressure sensor and its connections.
High water/cylinder 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.
Start Failure
Check fuel circuit and its connections;
Check starting batteries;
Check speed sensor and its connections;
Refer to engine manual.
Starter no response
Check starter connections;
Check starting batteries.
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