Troubleshooting - Hyundai DHY12000SEV2 User Manual

9. TROUBLESHOOTING.

9.1. Troubleshooting - N.B. all corrective actions should be carried out by suitably qualified
person/s.
Problem
The Diesel engine will not
start
The generator is not
producing power
Engine stops on low oil
pressure
Possible fault/cause
Emergency STOP button
activated (depressed)
Insufficient fuel
The start motor turns slowly
The battery is flat
Fuel injection pump does not
deliver fuel or delivers
insufficient fuel
Check the engine oil level
The injector has severe carbon
build-up
Main breaker switch has not
been turned ON
The contact in the socket is
not good
The rated speed is too HIGH
or too LOW
AVR is damaged
Alternator brushes worn
Low oil level
Faulty oil switch
Oil filter blocked
Remedy
Re-set emergency STOP
button
Refill with fuel
Check battery performance
and all connections
Charge or replace with a new
one
Remove the injector pump
and have it tested
The specified oil level should
be to the upper lever
Clean the injector
Turn the main breaker to the
ON position
Make sure plugs are fully
inserted into sockets
Adjust engine speed to
produce 52 Hz with no load
Replace AVR
Replace the brushes
Fill with oil to correct level
Replace Switch
Replace Filter
Page 23