Branson 6640C Operator's Manual page 157

TROUBLESHOOTING
Situation
Coolant warning lamp is
on during operation.
Engine oil warning lamp is
on during operation.
The engine power is too
weak.
Thermostat lamp is not
turned on.
Battery warning lamp is on
during operation.
6640C OPERATORS MANUAL (012612).indd 157
Inspection item
Is the coolant level in the reservoir low?
Is the engine oil level low?
Is the viscosity of the engine oil low?
Is the pressure switch defective?
Is the oil pump defective?
Is the air cleaner clogged?
Is the fuse burnt out?
Is the regulator (current limit) defective?
Is the fan belt loose or damaged?
Refill the coolant
Refill the engine oil
Replace the engine oil with the one with
proper viscosity.
Replace the switch
Contact dealer for repair
Inspect the air cleaner
Replace the fuse
Contact dealer for repair
Adjust or replace the fan belt
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157
Solution
1/30/2012 2:31:10 PM