Full Product Manual

Not for
Reproduction
Page | 22
Table 7: Common faults and their remedial actions
Sr.
No.
Faults Remedial Actions
Possible Issues in MANUAL Mode
1
The controller does not power ON.

Check the battery voltage.

Check the fuse on the battery supply.

Check continuity between battery positive and controller
terminal # 2.

Check continuity between battery negative and controller
terminal # 1.
2 The controller fails to crank-start
the engine.

Check the battery voltage.

Enter “Configuration Mode” in controller and verify the
configuration for the “START” output. Also, check that
“START” output is working correctly by measuring its
output voltage.

Enter “Configuration Mode” in controller and verify the
configuration of “CRANK DISCONNECT” method.
3 The “Emergency Stop” alarm
comes up even when the
“Emergency Stop” is not pressed.

Check if the “Emergency Stop” switch is working OK.
Check its wiring also.

Enter “Configuration Mode” in controller and verify the
configuration of “EMERGENCY STOP” polarity.
4 The controller generates
unnecessary “Shutdown Alarms” or
“Warning Alarms”

Check the respective switch/sensor and wiring.

Enter “Configuration Mode” in the controller and verify the
respective threshold configuration.
5 The engine runs, but the controller
shows genset to be “OFF”.

Check if the MPU signal (if used), and main alternator
voltage signal (R/L1 phase) are received by the controller
terminals.

Check if the LOP and LLOP are working OK. Also check
their wiring to the controller.
6 The controller displays incorrect PF
value or kW or load current.

Check wiring of the respective alternator phase voltage
and the CT to the controller.

Check the CT ratio (if kW or current reading is faulty).
7 The controller displays incorrect
Mains voltage or incorrect main
alternator voltage.

Check the wiring of the respective phase to the controller.
8 Controller displays incorrect
reading for any of LOP, Fuel Level,
Temperature sensors.

Check respective sensor and its wiring.

Enter “configuration mode” in the controller and verify the
calibration for the respective sensor in configuration.
9 The controller displays incorrect
engine RPM.

Check the MPU connection and configuration (if enabled).

Check wiring of the main alternator’s R-phase and neutral
to the controller.