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Faults and fault rectification
Engine overheats. Cooling system needs flushing. Flush cooling system.
Thermostat defective. Remove thermostat and check.
Temperature display or sensor defector. Check coolant temperature with thermometer and replace as
necessary.
Incorrect quality fuel. Use suitable fuel.
Incorrect fuel type. Use the correct fuel type.
Air filter clogged or dirty. Repair air filter.
Engine overload. Reduce load.
Incorrect valve play. Contact approved workshop or engine dealer
Electronic fuel injection nozzles dirty. Contact approved workshop or engine dealer
Problem with electronic fuel system. Contact approved workshop or engine dealer
Excess fuel consumption. Turbocharger defective. Contact approved workshop or engine dealer
Engine temperature low. Check thermostat.
Excessive electrical consumption by accesso-
ries.
Remove accessory or fit a higher output generator.
Excess idling. Increase engine speed to compensate for any excessive elec-
trical load.
Bad electrical connections at battery, earth
cable, starter or generator.
Check and clean as required.
Battery defective. Check battery, replace as required.
Rotary current generator defective. Check rotary current generator, replace as required.
Loose or corroded battery connections. Clean battery connections and tighten.
Electrical system inadequa-
tely charged.
Batteries worn. Contact approved workshop or engine dealer
Ribbed V-belt stretched or belt tensioner de-
fective.
Adjust belt setting or replace belt.
Rotary current generator defective. Check rotary current generator, replace as required.
Battery defective. Check battery, replace as required.
Rotary current generator defective. Check rotary current generator, replace as required.
Batteries will not charge. Loose or corroded battery connections. Clean battery connections and tighten.
Batteries worn. Contact approved workshop or engine dealer
Ribbed V-belt stretched or belt tensioner de-
fective.
Adjust belt setting or replace belt.
Rotary current generator defective. Check rotary current generator, replace as required.
Starter motor will not turn
over.
Loose or corroded battery connections. Clean loose connections and tighten.
Battery power low. Contact approved workshop or engine dealer
Starter motor current relay defective. Contact approved workshop or engine dealer
Main system fuse burned out. Replace fuse.
Starter motor defective . Check starter motor, replace as required.
Starter motor turns over too
slowly
Battery power low. Contact approved workshop or engine dealer
Incorrect viscosity of engine oil used. Use the correct viscosity of oil.
Loose or corroded battery connections. Clean loose connections and tighten.
Entire electrical system in-
operable.
Main switch turned off. Turn on main switch.
Damaged battery connection Clean battery connections and tighten.
Worn batteries. Contact approved workshop or engine dealer
Main fuse burned out. Replace fuse.
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