Fault: Low voltage frequency or zero indication

Failure of occurrence: The speed of generator set is low or unstable

Possible reasons for this issue:

The fuel filter is clogged

The fuel system is not working properly

The governor is not working properly

The AVR/DVR does not work properly

The engine speed is too low

Indicating instrument failure

Instrument connection failure

Other possible faults

Treatment method:

Replace the fuel filter

Check engine governor

Check the meter and replace it if necessary

Check the meter connection loop