Generating Set Fault Finding - SDMO RES 9.5 EC Manuel D'installation

5.2. Generating set fault finding

Figure 5.1 gives detailed fault finding information for the generating set and possible repairs. Before replacing any parts, check that the
electrical connections are correctly tightened.
Fault(s)
Fault shutdown.
Battery discharged or flat.
Battery charger fuse blown.
The generating set
Battery terminal polarity reversed or contacts not
starter is not
sound.
activated.
Controller fuse (F3) blown.
Relay interface card fuse (F2) blown.
Main switch on the generating set is set to "OFF".
Air filter clogged.
The starter drives the
Battery discharged or flat.
generating set's
engine, but it is
Battery terminal contacts not sound.
difficult or impossible
to start the engine, it Poor electrical contact to spark plug leads.
lacks power or runs
Shutdown due to low oil pressure.
irregularly.
Insufficient supply pressure.
Engine fault.
AC circuit breaker in "OFF" position.
AC circuit breaker tripped following overload.
AC circuit breaker tripped following a short circuit.
No AC output
Auxiliary coil fuse (F1) blown.
Insufficient power
supply or excessive Generating set overloaded.
drop in voltage.
Shutdown due to low oil pressure.
Fuel-related breakdown.
Shutdown as number of starting cycles exceeded.
Controller fuse (F3) blown.
Generating set Shutdown due to overspeed.
suddenly stops
Main switch on the generating set is set to
working.
"OFF/RESET".
Stop command received from a remote normal/backup
switch.
Engine fault.
Auxiliary coil fuse (F1) blown.
Possible cause(s)
Figure 5.1: General fault finding table
71/73
Corrective measure(s)
Check for a fault code on the controller display.
Check the electrical power supply to the battery
charger.
Recharge or replace the battery.
Replace the fuse. Contact
distributor/retailer to carry
operations if the fuse blows very often.
Check the connections.
Replace the fuse. Contact
distributor/retailer to carry
operations if the fuse blows very often.
Replace the fuse. Contact
distributor/retailer to carry
operations if the fuse blows very often.
Set the main switch to "RUN".
Clean and/or replace the air filter.
Check the electrical power supply to the battery
charger.
Recharge or replace the battery.
Clean and retighten the battery terminals.
Check the spark plug leads.
Check the engine oil level.
Check the gas supply and the solenoid valves.
Contact an approved agent.
Set the circuit breaker to "ON".
Reduce the generating set load.
Contact an approved agent to carry out maintenance
operations.
Replace the fuse. Contact an approved agent to
carry out maintenance operations if the fuse blows
very often.
Reduce the load.
Check the engine oil level.
Check the fuel supply.
Reset the controller. If the same fault is reproduced,
contact an approved agent.
Replace the fuse. If the fuse blows again, contact an
approved agent.
Reset the controller. If the same fault is reproduced,
contact an approved agent.
Set the switch to the appropriate position ("RUN" or
"AUTO").
Check the position of the remote control device.
Contact the distributor/retailer.
Replace the fuse. Contact
distributor/retailer to carry
operations if the fuse blows very often.
an approved
out maintenance
an approved
out maintenance
an approved
out maintenance
an approved
out maintenance