Grundfos Fire NKF Montage- Und Betriebsanleitung Seite 29

Fault Cause
6. Engine does not a) Fuel cock closed.
start.
b) No diesel fuel in the tank.
c) Fuel filter blocked.
d) Air in fuel system.
e) Water in fuel or wrong fuel.
f) Starter relay defective.
g) Insufficient power supply.
h) Pump blocked.
i) Exhaust pipes blocked.
7. Oil pressure is too a) Oil filter blocked.
high or too low when
engine is running.
b) Water or fuel in the oil.
c) Oil level too low/too high.
d) Oil pump worn.
8. Engine temperature a) Insufficient cooling liquid.
too high.
b) Diaphragm valve blocked or defective.
c) Heat exchanger defective.
9. Engine does not a) Wrong speed setting.
reach rated speed.
b) Fuel filter partially blocked.
c) Air in fuel system.
d) Traces of water in the fuel.
e) Turbocharger or intercooler defective
(not all models).
10. Battery voltage too a) Cell short-circuit in starter battery.
low.
b) Wiring of the battery charging circuit damaged
or insufficient terminal contact.
c) Insufficient power supply to the control
cabinet.
d) V-belt tension too low.
e) Battery charger defective.
11. Strong exhaust gas a) Dirty air filter.
colouring.
All manuals and user guides at all-guides.com
Remedy
Open the fuel cock.
Fill tank with diesel fuel. Vent fuel system. See installation
and operating instructions for the diesel engine.
Change fuel filter. See installation and operating
instructions for the diesel engine.
Vent fuel system. See installation and operating
instructions for the diesel engine.
Drain fuel from the fuel tank. Fill with new fuel. Vent fuel
system. See installation and operating instructions for the
diesel engine.
Replace the starter relay.
Check power supply to the control cabinet, batteries and
cables on the pump set.
Remove the pump and repair if necessary.
Remove foreign bodies from exhaust pipes.
Replace the oil filter. See installation and operating
instructions for the diesel engine.
Change oil. See installation and operating instructions for
the diesel engine.
Refill with oil or drain off oil. See installation and
operating instructions for the diesel engine.
Replace the oil pump. Contact Grundfos.
Refill cooling liquid. See installation and operating
instructions for the diesel engine.
Clean or replace the diaphragm valve. As an emergency
measure, open the isolating valve of the bypass pipe.
Replace the heat exchanger. Contact Grundfos.
Please contact Grundfos.
Change the fuel filter. See installation and operating
instructions for the diesel engine
Vent the fuel system. See installation and operating
instructions for the diesel engine.
Drain condensate from the fuel filter. See installation and
operating instructions for the diesel engine.
Replace the turbocharger or intercooler.
Contact Grundfos.
Replace starter batteries. See installation and operating
instructions for the controller.
Check the wiring and replace if necessary.
Check terminal connections and tighten, if necessary.
Check the power supply.
Check the V-belt tension and correct if necessary.
Replace the battery charger. Contact Grundfos.
Replace the air filter.
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