TROUBLE SHOOTING
30
Copyright © 2009 Mastervolt / December 2009 / WHISPER 3.5 / EN
Problem
Possible cause
What to do?
•
Fuel injector faulty.
Replace injector.
•
Valve clearance incorrect.
Readjust valve clearance
•
Poor fuel quality.
Use better quality diesel.
•
Poor quality lubricating oil.
Use better quality oil.
•
Continuous running with very low load.
Increase load and have the engine run for a few
hours
●
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.
Bring the oil to the correct level
•
Choked fuel filter.
Replace the fuel filter.
•
Choked air filter.
Check air inlet openings; clean air filter.
•
Exhaust blocked.
Check the exhaust system.
•
Injector blocked.
Have the injector checked.
•
Loss of compression, sticking.
Have the compression measured.
•
damaged piston ring.
Clean or replace the rings.
Loss of power
•
Wear out of cylinder.
Have the compression measured and have the
engine overhauled.
•
Overload.
Take away the overload.
•
Low oil level.
Fill up with oil.
•
Water inlet system blocked.
•
Broken impeller.
•
Water strainer choked
•
Heat exchanger choked.
Check the cooling system thoroughly.
Over-temperature
•
Faulty thermostat
Check the thermostat or replace.
Engine stops very
slowly
•
Engine should stop within 20 seconds
Stop solenoid is faulty and engine is stopped by
after pushing stopping button fuel shut off valve
5.2.4 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.
●
Display of the MasterView Easy shows a warning
5.2.5
Service address
If you cannot correct a problem with the aid of the mal-
function table, contact your Mastervolt Service Centre or
Mastervolt Amsterdam for an extended service list, tel: INT
+31-20-3422100.
