Warnings; Service Address - Whisper Power W-SQ16 User Manual

TROUBLE SHOOTING
PROBLEM
Loss of power
Over-temperature
5.2.3

Warnings

Generator must be shut off immediately if:
● Motor RPM suddenly rises or drops.
● Unusual noise comes from generating set.
● Exhaust gases suddenly colour dark.
● Engine failure warning light is on
30
CAUSE
• Insufficient intake air.
• Choked air filter.
• Fuel injector faulty.
• Valve clearance incorrect.
• Poor fuel quality.
• Poor quality lubricating oil.
• Continuous running with very low load.
● Wrong measurement. Check if the load is measured correctly. Does the Amp meter show
the correct value? When calculating the load by multiplying voltage and amps this should be
done by using the exact values, taking into account the power factor of the consumers. When
any doubt, measure the power directly with an appropriate instrument.
• Overfull oil sump.
• Choked fuel filter.
• Choked air filter.
• Exhaust blocked.
• Faulty fuel pump
• Injector blocked.
• Loss of compression, sticking or
damaged piston ring.
• Wear out of cylinder.
• Overload.
• Low level of coolant or air in the
cooling system
• Broken impeller.
• Radiator choked by dirt
• Hot air circulation in radiator.
• Broken or slipping V-belt.
• Faulty thermostat
SOLUTION
Check intake air paths and filter, clean and
replace if necessary.
Replace injector.
Readjust valve clearance
Use better quality diesel.
Use better quality oil.
Increase load up to 70% of nominal power and
have the engine run for a few hours
Bring the oil to the correct level
Replace the fuel filter.
Check air inlet openings; clean air filter.
Check the exhaust system.
Check and replace if nescessary
Have the injector checked.
Have the compression measured.
Clean or replace the rings.
Have the compression measured and have the
engine overhauled.
Take away the overload.
Fill up with coolant and release air bubbles.
Check if there are air blocks in the system; refer
to the installation manual
Check the cooling system thoroughly.
Clean radiator
Replace and adjust the V-belt tension.
Check the thermostat or replace.
5.2.4

Service address

If you cannot correct a problem with the aid of the mal-
function table, contact your Whisper Power Service Centre
or Whisper Power Netherlands for an extended service
list, tel: INT +31-512-571550.
January 2009 / W-SQ16 for mobile applications / EN