Coolant Temperature
The coolant temperature lamp is lit if the coolant
temperature is too high.
IMPORTANT:
Continued operations with too-high engine
temperature can cause serious engine damage.
• Check coolant level. Refer toCoolant Level,
Checking and Topping Up, page 59.
• Check that the raw water filter, where such is
fitted, is not clogged. Refer to Seawater Filter,
Check and Cleaning, page 64.
• Check the impeller in the sea water pump. Refer
toImpeller, Check and Change, page 62.
If the alarm continues despite the above actions being
carried out, run the engine at low revolutions and drive
the boat to the nearest service workshop for repair.
Oil pressure
If the oil pressure lamp lights up during operations, the
engine oil pressure is too low.
IMPORTANT:
Continued operations with too-low oil pressure
causes serious engine damage.
• Checking Engine Oil Level, refer to Oil level,
checking and topping up, page 55.
• Check that the oil filter is not blocked. Change
the oil filter as necessary; refer to Engine oil and
engine oil filter, changing.
• Contact a Volvo Penta workshop if the fault
remains.
Battery
The charging lamp lights up when the alternator stops
charging the batteries, which may result from a fault
in the electrical system or the need to tension the
alternator drive belt.
• Check belt tension. Refer to Drive belt, check
and change, page 53.
• Check to see if there are no short circuit, chafed
wires or wires with loose connections.
• Check the fluid level in the battery; refer to
Battery, page 66.
• Contact a Volvo Penta workshop if the fault
remains.
Fault handling
42 47711262 01-2019 © AB VOLVO PENTA
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