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15. Troubleshooting
15.1 Troubleshooting
Table 15.1
General troubleshooting
Fault
The controller does not power ON.
The controller display freezes.
The controller fails to crank-start the
engine.
The Emergency stop alarm is shown
without the Emergency stop is
activated.
The controller generates unnecessary
Shutdown alarms or Warning alarms.
The controller shows Charging Alt Fail
alarm.
The controller shows Error C03.
1. The controller shows the genset is
ON while the genset is stopped.
2. The controller shows the Fail to
stop alarm when the genset is at
rest.
The controller sends a Crank-start
command immediately after power
on.
USER MANUAL 4189341243A UK
Action
•
Check the battery voltage.
•
Check the fuse on the battery supply.
•
Check continuity between battery positive and controller terminal 2.
•
Check continuity between battery ground and controller terminal 1.
•
Reset the controller power.
•
Check the battery voltage.
•
Enter the Configuration mode in the controller and verify the configuration for the Start
output. Check that the Start output is working correctly by measuring its output voltage.
•
Enter the Configuration mode in the controller and verify the configuration of the Crank
disconnect method. Verify the configuration of the LLOP Switch polarity. Ensure that
the lube oil pressure switch and sensor are working OK. Check their wiring.
•
Check if the Emergency stop switch is working OK, including the wiring.
•
Enter the Configuration mode in the controller and verify the configuration of the
Emergency stop polarity.
•
Check the respective switch, sensor and wiring.
•
Enter the Configuration mode in the controller and verify the respective threshold
configuration.
•
To check if the controller's charging alternator terminal is working:
◦
Disconnect the charging alternator wiring to the controller's terminal 10.
◦
Short the terminal 10 to the ground through a DC ammeter.
◦
Crank-start the engine.
◦
The DC ammeter should indicate the current in the range of 200 to 400 mA for ~30
seconds.
◦
If yes, the controller's charging alternator terminal is working OK.
•
Disconnect and re-connect the charging alternator ind connection to the controller's
terminal 10.
•
Check if the charging alternator is working OK.
Error C03 can occur if the controller is disconnected from the PC during a configuration.
1. Press and hold the Stop/Config
2. Re-send the configuration file.
•
Enter the Configuration mode in the controller and verify the configuration for the LLOP
and LOP. Check the wiring.
•
Ensure that the mains voltage wiring is not connected by mistake to the controller's
genset voltage terminals.
•
Ensure that the controller's output terminal is not directly connected to the starter relay.
The controller's output should be given to an intermediate relay which should in-turn
power the starter relay. The controller can get permanently damaged and will need to
be replaced if this precaution is not taken.
•
Check start-relay connection with the suitable controller terminal.
•
Enter the Configuration mode in the controller and verify the configuration for Start
mode and the Start relay output polarity.
button during a power cycle to reset the controller.
Page 77 of 78
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